sodium borohydride

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

sodium borohydride: RN given refers to parent cpd [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID Source	ID
PubMed CID	4311764
CHEBI ID	50985
MeSH ID	M0084612

Synonyms (33)

Synonym
sodium tetrahydroborate(1-)
sodium tetrahydroborate
einecs 241-004-4
sodium hydroborate
CHEBI:50985
nabh4
sodium borohydride
sodium tetrahydridoborate
16940-66-2
sodium boranuide
87l0b9cppa ,
ec 241-004-4
unii-87l0b9cppa
borate(1-), tetrahydro-, sodium (1:1)
hydrifin
colorstrip 2000
sodium- borohydride
sodium borohydr-ide
sodium borohydrid
sodium borohydri- de
sodium boro hydride
natrium borohydride
sodium boro-hydride
sodiumborohydride
YOQDYZUWIQVZSF-UHFFFAOYSA-N
natriumborohydrid
sodium borohydride-
nabh
sodium borohydride, granular, trace metals grade 99.9%
BCP23014
Q407895
sodium;boranuide
O0577

Research Excerpts

Treatment

Sodium borohydride treatment of product 4 gave the same product as was obtained by treating 3,4-dichloro-2(5H)-furanone with NAC. Treatment resulted in carbonyl reduction generating relatively stable compounds that did not proceed to quinone in the presence of base.

Excerpt	Reference	Relevance
"Sodium borohydride treatment did not reduce our observed yields of EE from NET."	( Aromatization of norethindrone to ethinyl estradiol by human placental microsomes. Barbieri, RL; Canick, JA; Petro, Z; Ryan, KJ, 1983)	0.99
"The sodium borohydride treatment of product 4 gave the same product (7) as was obtained by treating 3,4-dichloro-2(5H)-furanone with NAC."	( A study of inactivation reactions of N-acetylcysteine with mucochloric acid, a mutagenic product of the chlorination of humic substances in water. LaLonde, RT; Xie, S, )	0.61
"Sodium borohydride treatment resulted in carbonyl reduction generating relatively stable compounds that did not proceed to quinone in the presence of base."	( Vitamin K1 2,3-epoxide and quinone reduction: mechanism and inhibition. Preusch, PC; Smalley, DM, 1990)	1
"Treatment with sodium borohydride (NaBH4) resulted in covalent attachment of PLP to the lysyl residue of the retinal oxidase and the PLP modified-retinal oxidase was cut with cyanogen bromide, and the polypeptides modified with PLP were further digested with trypsin."	( Identification of essential lysyl and cysteinyl residues, and the amino acid sequence at the substrate-binding site of retinal oxidase. Huang, DY; Ichikawa, Y, 1995)	0.63

Bioavailability

Excerpt	Reference	Relevance
" Emphasis was placed on the biphasic effects of the drugs on nitric oxide (NO) bioavailability and cytotoxicity, as well as drug interference with the interaction of endothelial NO synthase (eNOS) with caveolin-1 (Cav-1)."	( Effects of statins on nitric oxide/cGMP signaling in human umbilical vein endothelial cells. Mayer, B; Meda, C; Mykhaylyk, O; Plank, C; Schmidt, K, )	0.13

Dosage Studied

Excerpt	Relevance	Reference
" However, the use of an additional hydrogen source or photosensitizer has dosage limitations in such applications."	( Photodegradation mechanism and rate improvement of chlorinated aromatic dye in non-ionic surfactant solutions. Chu, W; Ma, CW, 2001)	0.31
" The PPy/Fe3O4 capsule shell used as a support was constructed in one-step, which not only dramatically simplified the preparation process, but also easily controlled the magnetic properties of the catalysts through adjusting the dosage of FeCl2·4H2O."	( A simple way to prepare Au@polypyrrole/Fe3O4 hollow capsules with high stability and their application in catalytic reduction of methylene blue dye. Cui, F; Cui, T; Wang, H; Wu, J; Xu, L; Yao, T, 2014)	0.4
" The effects of the dosage of chitosan on silver loading, Ag(I) release, and bactericidal activities of AgNP-impregnated silica were investigated, with results showing that, at high dosages of chitosan, Ag(I) released from AgNP-impregnated silica plays an important role in disinfection, while AgNP-mediated bactericidal action dominates at low dosages of chitosan."	( Optimizing the design and synthesis of supported silver nanoparticles for low cost water disinfection. He, D; Ikeda-Ohno, A; Kacopieros, M; Waite, TD, 2014)	0.4

[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Drug Classes (2)

Class	Description
inorganic sodium salt
metal tetrahydridoborate	Compounds with the general formula MBH4.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Pathways (22)

Pathway	Proteins	Compounds
mimosine biosynthesis	0	8
cyanide detoxification I	0	12
u03B2-alanine biosynthesis III	2	10
superpathay of heme b biosynthesis from glutamate	20	47
superpathway of L-phenylalanine biosynthesis	16	65
superpathway of L-lysine degradation	33	112
L-lysine fermentation to acetate and butanoate	8	57
superpathway of coenzyme A biosynthesis I (bacteria)	9	42
L-aspartate degradation I	4	6
lactose and galactose degradation I	5	21
superpathway of aromatic amino acid biosynthesis	21	84
chorismate biosynthesis I	15	59
chorismate biosynthesis from 3-dehydroquinate	10	37
cyanide degradation	0	12
cyanide detoxification I	4	13
L-ornithine degradation II (Stickland reaction)	10	43
superpathway of L-tyrosine biosynthesis	15	57
L-arginine degradation (Stickland reaction)	12	54
superpathway of chorismate metabolism	56	186
L-arginine degradation X (arginine monooxygenase pathway)	1	19
superpathway of L-tryptophan biosynthesis	16	65
tetrapyrrole biosynthesis I (from glutamate)	12	37
gallate biosynthesis	2	13

Research

Studies (821)

Timeframe	Studies, This Drug (%)	All Drugs %
pre-1990	228 (27.77)	18.7374
1990's	192 (23.39)	18.2507
2000's	163 (19.85)	29.6817
2010's	212 (25.82)	24.3611
2020's	26 (3.17)	2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 88.44

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be very strong demand-to-supply ratio for research on this compound.

Metric	This Compound (vs All)
Research Demand Index	88.44 (24.57)
Research Supply Index	6.74 (2.92)
Research Growth Index	4.52 (4.65)
Search Engine Demand Index	159.71 (26.88)
Search Engine Supply Index	2.00 (0.95)

This Compound (88.44)

All Compounds (24.57)

Study Types

Publication Type	This drug (%)	All Drugs (%)
Trials	1 (0.12%)	5.53%
Reviews	4 (0.47%)	6.00%
Case Studies	1 (0.12%)	4.05%
Observational	0 (0.00%)	0.25%
Other	839 (99.29%)	84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Substance	Relationship Strength	Studies	Trials	Classes	Roles
ethylene dichloride ethylene dichloride: RN given refers to 1,2-isomer; structure given in first source. 1,2-dichloroethane : A member of the class of chloroethanes substituted by two chloro groups at positions 1 and 2.	2.06	1	0	chloroethanes	hepatotoxic agent; mutagen; non-polar solvent
chloroacetaldehyde [no description available]	2	1	0	organochlorine compound
3-aminopropionaldehyde 3-aminopropionaldehyde: structure given in first source. 3-aminopropanal : A propanal having an amino substituent at the 3-position	1.98	1	0	omega-aminoaldehyde; propanals
3-chloroalanine 3-chloroalanine: RN given refers to parent cpd without isomeric designation. 3-chloroalanine : A chloroalanine obtained by replacement of one of the methyl hydrogens of alanine by a chloro group.	1.97	1	0	chloroalanine; non-proteinogenic alpha-amino acid; organochlorine compound
aminolevulinic acid Aminolevulinic Acid: A compound produced from succinyl-CoA and GLYCINE as an intermediate in heme synthesis. It is used as a PHOTOCHEMOTHERAPY for actinic KERATOSIS.. 5-aminolevulinic acid : The simplest delta-amino acid in which the hydrogens at the gamma position are replaced by an oxo group. It is metabolised to protoporphyrin IX, a photoactive compound which accumulates in the skin. Used (in the form of the hydrochloride salt)in combination with blue light illumination for the treatment of minimally to moderately thick actinic keratosis of the face or scalp.	2.37	2	0	4-oxo monocarboxylic acid; amino acid zwitterion; delta-amino acid	antineoplastic agent; dermatologic drug; Escherichia coli metabolite; human metabolite; mouse metabolite; photosensitizing agent; plant metabolite; prodrug; Saccharomyces cerevisiae metabolite
acetic acid Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons.	2.69	3	0	monocarboxylic acid	antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent
acetaldehyde Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats.	2.69	3	0	aldehyde	carcinogenic agent; EC 3.5.1.4 (amidase) inhibitor; electron acceptor; Escherichia coli metabolite; human metabolite; mouse metabolite; mutagen; oxidising agent; Saccharomyces cerevisiae metabolite; teratogenic agent
acetone methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H).	3.08	5	0	ketone body; methyl ketone; propanones; volatile organic compound	EC 3.5.1.4 (amidase) inhibitor; human metabolite; polar aprotic solvent
adenine [no description available]	1.96	1	0	6-aminopurines; purine nucleobase	Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
curdlan D-hexose : A hexose that has D-configuration at position 5.	2.11	1	0	hexose
beta-alanine [no description available]	1.97	1	0	amino acid zwitterion; beta-amino acid	agonist; fundamental metabolite; human metabolite; inhibitor; neurotransmitter
benzene [no description available]	2.4	2	0	aromatic annulene; benzenes; volatile organic compound	carcinogenic agent; environmental contaminant; non-polar solvent
benzoic acid Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring.	2.13	1	0	benzoic acids	algal metabolite; antimicrobial food preservative; drug allergen; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; human xenobiotic metabolite; plant metabolite
benzyl alcohol Benzyl Alcohol: A colorless liquid with a sharp burning taste and slight odor. It is used as a local anesthetic and to reduce pain associated with LIDOCAINE injection. Also, it is used in the manufacture of other benzyl compounds, as a pharmaceutic aid, and in perfumery and flavoring.. hydroxytoluene : Any member of the class of toluenes carrying one or more hydroxy substituents.. benzyl alcohol : An aromatic alcohol that consists of benzene bearing a single hydroxymethyl substituent.. aromatic alcohol : Any alcohol in which the alcoholic hydroxy group is attached to a carbon which is itself bonded to an aromatic ring.. aromatic primary alcohol : Any primary alcohol in which the alcoholic hydroxy group is attached to a carbon which is itself bonded to an aromatic ring.	2.13	1	0	benzyl alcohols	antioxidant; fragrance; metabolite; solvent
bromide Bromides: Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)	2.74	3	0	halide anion; monoatomic bromine
2,3-butylene glycol 2,3-butylene glycol: RN given refers to cpd without isomeric designation. butane-2,3-diol : A butanediol in which hydroxylation is at C-2 and C-3.	2.1	1	0	butanediol; glycol; secondary alcohol
carbamyl phosphate Carbamyl Phosphate: The monoanhydride of carbamic acid with PHOSPHORIC ACID. It is an important intermediate metabolite and is synthesized enzymatically by CARBAMYL-PHOSPHATE SYNTHASE (AMMONIA) and CARBAMOYL-PHOSPHATE SYNTHASE (GLUTAMINE-HYDROLYZING).	1.99	1	0	acyl monophosphate; one-carbon compound	Escherichia coli metabolite; mouse metabolite
methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC).	2.73	3	0	alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound	bacterial metabolite; fossil fuel; greenhouse gas
citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms.	2.06	1	0	tricarboxylic acid	antimicrobial agent; chelator; food acidity regulator; fundamental metabolite
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion.	3.13	5	0	halide anion; monoatomic chlorine	cofactor; Escherichia coli metabolite; human metabolite
hydrochloric acid Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms.	4.92	11	0	chlorine molecular entity; gas molecular entity; hydrogen halide; mononuclear parent hydride	mouse metabolite
salicylic acid Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL).	2.41	2	0	monohydroxybenzoic acid	algal metabolite; antifungal agent; antiinfective agent; EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor; keratolytic drug; plant hormone; plant metabolite
4-aminophenol 4-aminophenol: RN given refers to parent cpd. 4-aminophenol : An amino phenol (one of the three possible isomers) which has the single amino substituent located para to the phenolic -OH group.	3.47	7	0	aminophenol	allergen; metabolite
dihydrolipoic acid dihydrolipoic acid: RN given refers to parent cpd without isomeric designation. dihydrolipoic acid : A thio-fatty acid that is reduced form of lipoic acid. A potent antioxidant shown to directly destroy superoxide, hydroperoxy and hydroxyl radicals; also has neuroprotective and anti-tumour effects.. dihydrolipoate : The conjugate base of dihydrolipoic acid.	1.98	1	0	thio-fatty acid	antioxidant; human metabolite; neuroprotective agent
trimethylenediamine trimethylenediamine: RN given refers to parent cpd; structure. trimethylenediamine : An alkane-alpha,omega-diamine comprising a propane skeleton with amino substituents at positions 1 and 3.	1.99	1	0	alkane-alpha,omega-diamine	human metabolite; mouse metabolite; reagent
3-hydroxybutyric acid 3-Hydroxybutyric Acid: BUTYRIC ACID substituted in the beta or 3 position. It is one of the ketone bodies produced in the liver.. 3-hydroxybutyric acid : A straight-chain 3-hydroxy monocarboxylic acid comprising a butyric acid core with a single hydroxy substituent in the 3- position; a ketone body whose levels are raised during ketosis, used as an energy source by the brain during fasting in humans. Also used to synthesise biodegradable plastics.	1.98	1	0	(omega-1)-hydroxy fatty acid; 3-hydroxy monocarboxylic acid; hydroxybutyric acid	human metabolite
propionaldehyde propionaldehyde: may cause respiratory irritation; RN given refers to parent cpd; structure. propanal : An aldehyde that consists of ethane bearing a formyl substituent. The parent of the class of propanals.	1.98	1	0	alpha-CH2-containing aldehyde; propanals	Escherichia coli metabolite
hydrogen selenide hydrogen selenide: RN given refers to parent cpd	1.96	1	0	mononuclear parent hydride; selenium hydride	Escherichia coli metabolite; mouse metabolite
4-nitrobenzaldehyde 4-nitrobenzaldehyde: RN given refers to parent cpd. 4-nitrobenzaldehyde : A C-nitro compound that is benzaldehyde substituted at the para-position with a nitro group.	2.21	1	0	benzaldehydes; C-nitro compound
cytosine [no description available]	2.91	4	0	aminopyrimidine; pyrimidine nucleobase; pyrimidone	Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
lactic acid Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group.	3.25	6	0	2-hydroxy monocarboxylic acid	algal metabolite; Daphnia magna metabolite
dihydroxyacetone phosphate Dihydroxyacetone Phosphate: An important intermediate in lipid biosynthesis and in glycolysis.. dihydroxyacetone phosphate : A member of the class of glycerone phosphates that consists of glycerone bearing a single phospho substituent.	1.96	1	0	glycerone phosphates; primary alpha-hydroxy ketone	Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents.	3.11	5	0	sulfoxide; volatile organic compound	alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy	5.88	13	0	aldehyde; one-carbon compound	allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
glutaric acid glutaric acid: RN given refers to parent cpd. glutaric acid : An alpha,omega-dicarboxylic acid that is a linear five-carbon dicarboxylic acid.	1.98	1	0	alpha,omega-dicarboxylic acid; dicarboxylic fatty acid	Daphnia magna metabolite; human metabolite
glycine [no description available]	8.37	7	0	alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid	EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical
glyceraldehyde Glyceraldehyde: An aldotriose containing the propionaldehyde structure with hydroxy groups at the 2- and 3-positions. It is involved in the formation of ADVANCED GLYCOSYLATION END PRODUCTS.. glyceraldehyde : An aldotriose comprising propanal having hydroxy groups at the 2- and 3-positions. It plays role in the formation of advanced glycation end-products (AGEs), a deleterious accompaniment to ageing.. aldose : Aldehydic parent sugars (polyhydroxy aldehydes H[CH(OH)]nC(=O)H, n >= 2) and their intramolecular hemiacetals.	2.38	2	0	aldotriose	fundamental metabolite
glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil.	2.1	1	0	alditol; triol	algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent
dalteparin Dalteparin: A low-molecular-weight fragment of heparin, prepared by nitrous acid depolymerization of porcine mucosal heparin. The mean molecular weight is 4000-6000 daltons. It is used therapeutically as an antithrombotic agent. (From Merck Index, 11th ed)	2.1	1	0
hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond.	4.34	19	0	elemental hydrogen; elemental molecule; gas molecular entity	antioxidant; electron donor; food packaging gas; fuel; human metabolite
hydroquinone [no description available]	2.93	4	0	benzenediol; hydroquinones	antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent
hydroxylamine amino alcohol : An alcohol containing an amino functional group in addition to the alcohol-defining hydroxy group.	3.1	5	0	hydroxylamines	algal metabolite; bacterial xenobiotic metabolite; EC 1.1.3.13 (alcohol oxidase) inhibitor; EC 4.2.1.22 (cystathionine beta-synthase) inhibitor; EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor; nitric oxide donor; nucleophilic reagent
iodine Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge..	1.96	1	0	diatomic iodine	nutrient
2-keto-3-deoxyoctonate [no description available]	2	1	0
dihydroxyphenylalanine Dihydroxyphenylalanine: A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.. dopa : A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring.	1.99	1	0	hydroxyphenylalanine; non-proteinogenic alpha-amino acid; tyrosine derivative	human metabolite
thioctic acid Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS.	1.98	1	0	dithiolanes; heterocyclic fatty acid; thia fatty acid	fundamental metabolite; geroprotector
methylmercaptan methylmercaptan: intermediate in the manufacturing of jet fuels, pesticides, fungicides, plastics, synthesis of methionine; odor may cause nausea; narcotic in high concentrations; depresses urea biosynthesis; RN given refers to parent cpd; structure	1.97	1	0	alkanethiol	human metabolite; Saccharomyces cerevisiae metabolite
pyruvaldehyde Pyruvaldehyde: An organic compound used often as a reagent in organic synthesis, as a flavoring agent, and in tanning. It has been demonstrated as an intermediate in the metabolism of acetone and its derivatives in isolated cell preparations, in various culture media, and in vivo in certain animals.. methylglyoxal : A 2-oxo aldehyde derived from propanal.	1.98	1	0	2-oxo aldehyde; propanals	Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group.	3.84	11	0	alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound	amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite
inositol Inositol: An isomer of glucose that has traditionally been considered to be a B vitamin although it has an uncertain status as a vitamin and a deficiency syndrome has not been identified in man. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1379) Inositol phospholipids are important in signal transduction.. inositol : Any cyclohexane-1,2,3,4,5,6-hexol.. 1D-chiro-inositol : Belonging to the inositol family of compounds, D-chiro-inositol (DCI) is an isomer of glucose. It is an important secondary messenger in insulin signal transduction.. muco-inositol : An inositol that is cyclohexane-1,2,3,4,5,6-hexol having a (1R,2R,3r,4R,5S,6r)-configuration.	2.37	2	0	cyclitol; hexol
nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28.	3.85	11	0	metal allergen; nickel group element atom	epitope; micronutrient
niacin Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties.. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms).. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group.	2.35	2	0	pyridine alkaloid; pyridinemonocarboxylic acid; vitamin B3	antidote; antilipemic drug; EC 3.5.1.19 (nicotinamidase) inhibitor; Escherichia coli metabolite; human urinary metabolite; metabolite; mouse metabolite; plant metabolite; vasodilator agent
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical.	2.91	4	0	monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species
nitric acid Nitric Acid: Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. (From Merck Index, 11th ed). nitric acid : A nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms.	2.93	4	0	nitrogen oxoacid	protic solvent; reagent
nitrites Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed)	2.72	3	0	monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species	human metabolite
nitrous oxide Nitrous Oxide: Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.. dinitrogen oxide : A nitrogen oxide consisting of linear unsymmetrical molecules with formula N2O. While it is the most used gaseous anaesthetic in the world, its major commercial use, due to its solubility under pressure in vegetable fats combined with its non-toxicity in low concentrations, is as an aerosol spray propellant and aerating agent for canisters of 'whipped' cream.	2.08	1	0	gas molecular entity; nitrogen oxide	analgesic; bacterial metabolite; food packaging gas; food propellant; general anaesthetic; greenhouse gas; inhalation anaesthetic; NMDA receptor antagonist; raising agent; refrigerant; vasodilator agent
hydroxide ion [no description available]	2.44	2	0	oxygen hydride	mouse metabolite
oxalic acid Oxalic Acid: A strong dicarboxylic acid occurring in many plants and vegetables. It is produced in the body by metabolism of glyoxylic acid or ascorbic acid. It is not metabolized but excreted in the urine. It is used as an analytical reagent and general reducing agent.. oxalic acid : An alpha,omega-dicarboxylic acid that is ethane substituted by carboxyl groups at positions 1 and 2.	2.1	1	0	alpha,omega-dicarboxylic acid	algal metabolite; human metabolite; plant metabolite
4-aminobenzoic acid 4-Aminobenzoic Acid: An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.. 4-ammoniobenzoate : A zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-aminobenzoic acid.. 4-aminobenzoic acid : An aminobenzoic acid in which the amino group is para to the carboxy group.	2.17	1	0	aminobenzoic acid; aromatic amino-acid zwitterion	allergen; Escherichia coli metabolite; plant metabolite
4-nitrophenol 4-nitrophenol: RN given refers to parent cpd. mononitrophenol : A nitrophenol that is phenol carrying a single nitro substituent at unspecified position.. 4-nitrophenol : A member of the class of 4-nitrophenols that is phenol in which the hydrogen that is para to the hydroxy group has been replaced by a nitro group.	4.73	27	0	4-nitrophenols	human xenobiotic metabolite; mouse metabolite
palmitic acid Palmitic Acid: A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.. hexadecanoic acid : A straight-chain, sixteen-carbon, saturated long-chain fatty acid.	2.89	4	0	long-chain fatty acid; straight-chain saturated fatty acid	algal metabolite; Daphnia magna metabolite; EC 1.1.1.189 (prostaglandin-E2 9-reductase) inhibitor; plant metabolite
phenol [no description available]	2.4	2	0	phenols	antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite
phenylacetic acid phenylacetic acid : A monocarboxylic acid that is toluene in which one of the hydrogens of the methyl group has been replaced by a carboxy group.	2.02	1	0	benzenes; monocarboxylic acid; phenylacetic acids	allergen; Aspergillus metabolite; auxin; EC 6.4.1.1 (pyruvate carboxylase) inhibitor; Escherichia coli metabolite; human metabolite; plant growth retardant; plant metabolite; Saccharomyces cerevisiae metabolite; toxin
phosphoenolpyruvate Phosphoenolpyruvate: A monocarboxylic acid anion derived from selective deprotonation of the carboxy group of phosphoenolpyruvic acid. It is a metabolic intermediate in GLYCOLYSIS; GLUCONEOGENESIS; and other pathways.. phosphoenolpyruvate : A monocarboxylic acid anion resuting from selective deprotonation of the carboxy group of phosphoenolpyruvic acid.. phosphoenolpyruvic acid : A monocarboxylic acid that is acrylic acid substituted by a phosphonooxy group at position 2. It is a metabolic intermediate in pathways like glycolysis and gluconeogenesis.	2.66	3	0	carboxyalkyl phosphate; monocarboxylic acid	fundamental metabolite
porphobilinogen [no description available]	1.96	1	0	aralkylamino compound; dicarboxylic acid; pyrroles	Escherichia coli metabolite; metabolite; mouse metabolite
propylene glycol Propylene Glycol: A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.. propane-1,2-diol : The simplest member of the class of propane-1,2-diols, consisting of propane in which a hydrogen at position 1 and a hydrogen at position 2 are substituted by hydroxy groups. A colourless, viscous, hygroscopic, low-melting (-59degreeC) and high-boiling (188degreeC) liquid with low toxicity, it is used as a solvent, emulsifying agent, and antifreeze.	1.98	1	0	glycol; propane-1,2-diols	allergen; human xenobiotic metabolite; mouse metabolite; protic solvent
putrescine [no description available]	2.39	2	0	alkane-alpha,omega-diamine	antioxidant; fundamental metabolite
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'.	1.98	1	0	azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines	environmental contaminant; NMR chemical shift reference compound
pyridoxal [no description available]	4.31	6	0	hydroxymethylpyridine; methylpyridines; monohydroxypyridine; pyridinecarbaldehyde; vitamin B6	cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
pyridoxal phosphate Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).. pyridoxal 5'-phosphate : The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal.	6.14	42	0	methylpyridines; monohydroxypyridine; pyridinecarbaldehyde; vitamin B6 phosphate	coenzyme; cofactor; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
pyridoxamine [no description available]	2.65	3	0	aminoalkylpyridine; hydroxymethylpyridine; monohydroxypyridine; vitamin B6	Escherichia coli metabolite; human metabolite; iron chelator; mouse metabolite; nephroprotective agent; plant metabolite; Saccharomyces cerevisiae metabolite
pyridoxamine phosphate pyridoxamine phosphate: RN given refers to parent cpd; structure. pyridoxamine 5'-phosphate : A vitamin B6 phosphate that is the phosphoric ester derivative of pyridoxamine.	1.97	1	0	aminoalkylpyridine; methylpyridines; monohydroxypyridine; vitamin B6 phosphate	Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
pyridoxine 4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol: structure in first source. vitamin B6 : Any member of the group of pyridines that exhibit biological activity against vitamin B6 deficiency. Vitamin B6 deficiency is associated with microcytic anemia, electroencephalographic abnormalities, dermatitis with cheilosis (scaling on the lips and cracks at the corners of the mouth) and glossitis (swollen tongue), depression and confusion, and weakened immune function. Vitamin B6 consists of the vitamers pyridoxine, pyridoxal, and pyridoxamine and their respective 5'-phosphate esters (and includes their corresponding ionized and salt forms).	3.75	3	0	hydroxymethylpyridine; methylpyridines; monohydroxypyridine; vitamin B6	cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
pyruvic acid Pyruvic Acid: An intermediate compound in the metabolism of carbohydrates, proteins, and fats. In thiamine deficiency, its oxidation is retarded and it accumulates in the tissues, especially in nervous structures. (From Stedman, 26th ed). pyruvic acid : A 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis.	3.1	5	0	2-oxo monocarboxylic acid	cofactor; fundamental metabolite
dimethyl sulfide dimethyl sulfide: structure. dimethyl sulfide : A methyl sulfide in which the sulfur atom is substituted by two methyl groups. It is produced naturally by some marine algae.. methyl sulfide : Any aliphatic sulfide in which at least one of the organyl groups attached to the sulfur is a methyl group.	1.97	1	0	aliphatic sulfide	algal metabolite; bacterial xenobiotic metabolite; EC 3.5.1.4 (amidase) inhibitor; Escherichia coli metabolite; marine metabolite
dithionite Dithionite: Dithionite. The dithionous acid ion and its salts.	3.25	6	0	sulfur oxide; sulfur oxoanion
sulfites Sulfites: Inorganic salts of sulfurous acid.. sulfites : Any sulfurous acid derivative that is a salt or an ester of sulfurous acid.. organosulfonate oxoanion : An organic anion obtained by deprotonation of the sufonate group(s) of any organosulfonic acid.. sulfite : A sulfur oxoanion that is the conjugate base of hydrogen sulfite (H2SO3).	2.73	3	0	divalent inorganic anion; sulfur oxide; sulfur oxoanion
spermidine [no description available]	3.1	5	0	polyazaalkane; triamine	autophagy inducer; fundamental metabolite; geroprotector
spermine [no description available]	2.69	3	0	polyazaalkane; tetramine	antioxidant; fundamental metabolite; immunosuppressive agent
succinic acid Succinic Acid: A water-soluble, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. (Hawley's Condensed Chemical Dictionary, 12th ed, p1099; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1851). succinic acid : An alpha,omega-dicarboxylic acid resulting from the formal oxidation of each of the terminal methyl groups of butane to the corresponding carboxy group. It is an intermediate metabolite in the citric acid cycle.	1.97	1	0	alpha,omega-dicarboxylic acid; C4-dicarboxylic acid	anti-ulcer drug; fundamental metabolite; micronutrient; nutraceutical; radiation protective agent
sulfuric acid sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom.	3.4	7	0	sulfur oxoacid	catalyst
taurine [no description available]	2.38	2	0	amino sulfonic acid; zwitterion	antioxidant; Escherichia coli metabolite; glycine receptor agonist; human metabolite; mouse metabolite; nutrient; radical scavenger; Saccharomyces cerevisiae metabolite
thymine [no description available]	2.38	2	0	pyrimidine nucleobase; pyrimidone	Escherichia coli metabolite; human metabolite; mouse metabolite
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups.	2.44	2	0	methylbenzene; toluenes; volatile organic compound	cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent
uracil 2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder	2.41	2	0	pyrimidine nucleobase; pyrimidone	allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; prodrug; Saccharomyces cerevisiae metabolite
uric acid Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8.	2	1	0	uric acid	Escherichia coli metabolite; human metabolite; mouse metabolite
urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives.	2.38	2	0	isourea; monocarboxylic acid amide; one-carbon compound	Daphnia magna metabolite; Escherichia coli metabolite; fertilizer; flour treatment agent; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
vanillin Vanilla: A plant genus of the family ORCHIDACEAE that is the source of the familiar flavoring used in foods and medicines (FLAVORING AGENTS).	2.11	1	0	benzaldehydes; monomethoxybenzene; phenols	anti-inflammatory agent; anticonvulsant; antioxidant; flavouring agent; plant metabolite
1,10-phenanthroline 1,10-phenanthroline: RN given refers to parent cpd; inhibits Zn-dependent metalloproteinases	2	1	0	phenanthroline	EC 2.7.1.1 (hexokinase) inhibitor; EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor
1-methylimidazole 1-methyl-1H-imidazole : A 1H-imidazole having a methyl substituent at the N-1 position.	1.96	1	0	imidazoles
mercaptoethanol Mercaptoethanol: A water-soluble thiol derived from hydrogen sulfide and ethanol. It is used as a reducing agent for disulfide bonds and to protect sulfhydryl groups from oxidation.	5.74	11	0	alkanethiol; primary alcohol	geroprotector
4-aminopyridine [no description available]	2.06	1	0	aminopyridine; aromatic amine	avicide; orphan drug; potassium channel blocker
p-chloromercuribenzoic acid p-Chloromercuribenzoic Acid: An organic mercurial used as a sulfhydryl reagent.	1.98	1	0	chlorine molecular entity; mercuribenzoic acid
hydroxyindoleacetic acid (5-hydroxyindol-3-yl)acetic acid : A member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5.	1.99	1	0	indole-3-acetic acids	drug metabolite; human metabolite; mouse metabolite
pimagedine pimagedine: diamine oxidase & nitric oxide synthase inhibitor; an advanced glycosylation end product inhibitor; used in the treatment of diabetic complications; structure. aminoguanidine : A one-carbon compound whose unique structure renders it capable of acting as a derivative of hydrazine, guanidine or formamide.	2.9	4	0	guanidines; one-carbon compound	EC 1.14.13.39 (nitric oxide synthase) inhibitor; EC 1.4.3.4 (monoamine oxidase) inhibitor
aspirin Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity.	1.96	1	0	benzoic acids; phenyl acetates; salicylates	anticoagulant; antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; EC 1.1.1.188 (prostaglandin-F synthase) inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; plant activator; platelet aggregation inhibitor; prostaglandin antagonist; teratogenic agent
mellitic acid mellitic acid: RN given refers to parent cpd; structure. mellitic acid : A benzene-derived hexacarboxylic acid in which each carbon of benzene carries a carboxy substituent.	1.99	1	0	hexacarboxylic acid
cacodylic acid dimethylarsinic acid : The organoarsenic compound that is arsenic acid substituted on the central arsenic atom with two methyl groups.	2.42	2	0	organoarsenic compound	xenobiotic metabolite
cetyltrimethylammonium ion Cetrimonium: Cetyltrimethylammonium compound whose salts and derivatives are used primarily as topical antiseptics.. cetyltrimethylammonium ion : A quaternary ammonium ion in which the substituents on nitrogen are one hexadecyl and three methyl groups.	2.5	2	0	quaternary ammonium ion
chloroquine Chloroquine: The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses.. chloroquine : An aminoquinoline that is quinoline which is substituted at position 4 by a [5-(diethylamino)pentan-2-yl]amino group at at position 7 by chlorine. It is used for the treatment of malaria, hepatic amoebiasis, lupus erythematosus, light-sensitive skin eruptions, and rheumatoid arthritis.	2.06	1	0	aminoquinoline; organochlorine compound; secondary amino compound; tertiary amino compound	anticoronaviral agent; antimalarial; antirheumatic drug; autophagy inhibitor; dermatologic drug
conduritol epoxide conduritol epoxide: conduritol C epoxide refers to the (epi & neo)-isomers; structure. conduritol epoxide : An epoxide resulting from the epoxidation of the double bond of a conduritol.	1.96	1	0	cyclitol; epoxide; tetrol
cystamine [no description available]	2.4	2	0	organic disulfide; primary amino compound	EC 2.3.2.13 (protein-glutamine gamma-glutamyltransferase) inhibitor
amphetamine Amphetamine: A powerful central nervous system stimulant and sympathomimetic. Amphetamine has multiple mechanisms of action including blocking uptake of adrenergics and dopamine, stimulation of release of monamines, and inhibiting monoamine oxidase. Amphetamine is also a drug of abuse and a psychotomimetic. The l- and the d,l-forms are included here. The l-form has less central nervous system activity but stronger cardiovascular effects. The d-form is DEXTROAMPHETAMINE.. 1-phenylpropan-2-amine : A primary amine that is isopropylamine in which a hydrogen attached to one of the methyl groups has been replaced by a phenyl group.. amphetamine : A racemate comprising equimolar amounts of (R)-amphetamine (also known as levamphetamine or levoamphetamine) and (S)-amphetamine (also known as dexamfetamine or dextroamphetamine.	2.38	2	0	primary amine
emodin Emodin: Purgative anthraquinone found in several plants, especially RHAMNUS PURSHIANA. It was formerly used as a laxative, but is now used mainly as a tool in toxicity studies.. emodin : A trihydroxyanthraquinone that is 9,10-anthraquinone which is substituted by hydroxy groups at positions 1, 3, and 8 and by a methyl group at position 6. It is present in the roots and barks of numerous plants (particularly rhubarb and buckthorn), moulds, and lichens. It is an active ingredient of various Chinese herbs.	2.1	1	0	trihydroxyanthraquinone	antineoplastic agent; laxative; plant metabolite; tyrosine kinase inhibitor
ether Ether: A mobile, very volatile, highly flammable liquid used as an inhalation anesthetic and as a solvent for waxes, fats, oils, perfumes, alkaloids, and gums. It is mildly irritating to skin and mucous membranes.. ether : An organooxygen compound with formula ROR, where R is not hydrogen.. diethyl ether : An ether in which the oxygen atom is linked to two ethyl groups.	1.97	1	0	ether; volatile organic compound	inhalation anaesthetic; non-polar solvent; refrigerant
ethylenediamine ethylenediamine: RN given refers to parent cpd; edamine is the recommended contraction for the ethylenediamine radical. ethylenediamine : An alkane-alpha,omega-diamine in which the alkane is ethane.	2.47	2	0	alkane-alpha,omega-diamine	GABA agonist
etidronate Etidronic Acid: A diphosphonate which affects calcium metabolism. It inhibits ectopic calcification and slows down bone resorption and bone turnover.. etidronic acid : A 1,1-bis(phosphonic acid) that is (ethane-1,1-diyl)bis(phosphonic acid) having a hydroxy substituent at the 1-position. It inhibits the formation, growth, and dissolution of hydroxyapatite crystals by chemisorption to calcium phosphate surfaces.	2.65	3	0	1,1-bis(phosphonic acid)	antineoplastic agent; bone density conservation agent; chelator
glutaral Glutaral: One of the protein CROSS-LINKING REAGENTS that is used as a disinfectant for sterilization of heat-sensitive equipment and as a laboratory reagent, especially as a fixative.. glutaraldehyde : A dialdehyde comprised of pentane with aldehyde functions at C-1 and C-5.	4.01	14	0	dialdehyde	cross-linking reagent; disinfectant; fixative
guanidine Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines.	2.01	1	0	carboxamidine; guanidines; one-carbon compound
iodoacetamide [no description available]	2.4	2	0
2-propanol 2-Propanol: An isomer of 1-PROPANOL. It is a colorless liquid having disinfectant properties. It is used in the manufacture of acetone and its derivatives and as a solvent. Topically, it is used as an antiseptic.. propan-2-ol : A secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group.	2.13	1	0	secondary alcohol; secondary fatty alcohol	protic solvent
lauric acid dodecanoic acid : A straight-chain, twelve-carbon medium-chain saturated fatty acid with strong bactericidal properties; the main fatty acid in coconut oil and palm kernel oil.	2.41	2	0	medium-chain fatty acid; straight-chain saturated fatty acid	algal metabolite; antibacterial agent; plant metabolite
methoxyamine methoxyamine: analytical reagent for aldehydes and ketones; strong irritant, can probably produce methemoglobinemia; RN given refers to parent cpd; structure	1.99	1	0	organooxygen compound
methoxsalen Methoxsalen: A naturally occurring furocoumarin compound found in several species of plants, including Psoralea corylifolia. It is a photoactive substance that forms DNA ADDUCTS in the presence of ultraviolet A irradiation.. methoxsalen : A member of the class of psoralens that is 7H-furo[3,2-g]chromen-7-one in which the 9 position is substituted by a methoxy group. It is a constituent of the fruits of Ammi majus. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered topically or orally in conjunction with UV-A for phototherapy treatment of vitiligo and severe psoriasis.	1.96	1	0	aromatic ether; psoralens	antineoplastic agent; cross-linking reagent; dermatologic drug; photosensitizing agent; plant metabolite
methyl methanesulfonate [no description available]	1.96	1	0	methanesulfonate ester	alkylating agent; apoptosis inducer; carcinogenic agent; genotoxin; mutagen
molsidomine Molsidomine: A morpholinyl sydnone imine ethyl ester, having a nitrogen in place of the keto oxygen. It acts as NITRIC OXIDE DONORS and is a vasodilator that has been used in ANGINA PECTORIS.. molsidomine : A member of the class of oxadiazoles that is 1,2,3-oxadiazole substituted by morpholin-4-yl and (ethoxycarbonyl)azanidyl groups at positions 3 and 5, respectively. It is used as a vasodilator drug for the treatment of myocardial ischemic syndrome and congestive heart failure.	1.99	1	0	ethyl ester; morpholines; oxadiazole; zwitterion	antioxidant; apoptosis inhibitor; cardioprotective agent; nitric oxide donor; vasodilator agent
ethylmaleimide Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies.	2.89	4	0	maleimides	anticoronaviral agent; EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor; EC 2.1.1.122 [(S)-tetrahydroprotoberberine N-methyltransferase] inhibitor; EC 2.7.1.1 (hexokinase) inhibitor
nimesulide nimesulide: structure. nimesulide : An aromatic ether having phenyl and 2-methylsulfonamido-5-nitrophenyl as the two aryl groups.	2.01	1	0	aromatic ether; C-nitro compound; sulfonamide	cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug
ofloxacin Ofloxacin: A synthetic fluoroquinolone antibacterial agent that inhibits the supercoiling activity of bacterial DNA GYRASE, halting DNA REPLICATION.. 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid : An oxazinoquinoline that is 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinolin-7-one substituted by methyl, carboxy, fluoro, and 4-methylpiperazin-1-yl groups at positions 3, 6, 9, and 10, respectively.. ofloxacin : A racemate comprising equimolar amounts of levofloxacin and dextrofloxacin. It is a synthetic fluoroquinolone antibacterial agent which inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication.	2.1	1	0	3-oxo monocarboxylic acid; N-arylpiperazine; N-methylpiperazine; organofluorine compound; oxazinoquinoline
oxolinic acid quinolone antibiotic : An organonitrogen heterocyclic antibiotic whose structure contains a quinolone or quinolone-related skeleton.	1.97	1	0	aromatic carboxylic acid; organic heterotricyclic compound; oxacycle; quinolinemonocarboxylic acid; quinolone antibiotic	antibacterial drug; antifungal agent; antiinfective agent; antimicrobial agent; enzyme inhibitor
pd 98059 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one: inhibits MAP kinase kinase (MEK) activity, p42 MAPK and p44 MAPK; structure in first source. 2-(2-amino-3-methoxyphenyl)chromen-4-one : A member of the class of monomethoxyflavones that is 3'-methoxyflavone bearing an additional amino substituent at position 2'.	1.99	1	0	aromatic amine; monomethoxyflavone	EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor; geroprotector
phenobarbital Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups.	2.03	1	0	barbiturates	anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative
o-phthalaldehyde o-Phthalaldehyde: A reagent that forms fluorescent conjugation products with primary amines. It is used for the detection of many biogenic amines, peptides, and proteins in nanogram quantities in body fluids.. phthalaldehyde : A dialdehyde in which two formyl groups are attached to adjacent carbon centres on a benzene ring.	2.01	1	0	benzaldehydes; dialdehyde	epitope
potassium chloride Potassium Chloride: A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA.. potassium chloride : A metal chloride salt with a K(+) counterion.	2.41	2	0	inorganic chloride; inorganic potassium salt; potassium salt	fertilizer
potassium iodide Potassium Iodide: An inorganic compound that is used as a source of iodine in thyrotoxic crisis and in the preparation of thyrotoxic patients for thyroidectomy. (From Dorland, 27th ed). potassium iodide : A metal iodide salt with a K(+) counterion. It is a scavenger of hydroxyl radicals.	3.17	1	0	potassium salt	expectorant; radical scavenger
saccharin Saccharin: Flavoring agent and non-nutritive sweetener.. saccharin : A 1,2-benzisothiazole having a keto-group at the 3-position and two oxo substituents at the 1-position. It is used as an artificial sweetening agent.	2.31	1	0	1,2-benzisothiazole; N-sulfonylcarboxamide	environmental contaminant; sweetening agent; xenobiotic
semustine Semustine: 4-Methyl derivative of LOMUSTINE; (CCNU). An antineoplastic agent which functions as an alkylating agent.. semustine : An organochlorine compound that is urea in which the two hydrogens on one of the amino groups are replaced by nitroso and 2-chloroethyl groups and one hydrogen from the other amino group is replaced by a 4-methylcyclohexyl group.	1.96	1	0	N-nitrosoureas; organochlorine compound	alkylating agent; antineoplastic agent; carcinogenic agent
linsidomine linsidomine: RN given refers to parent cpd; structure	1.99	1	0	morpholines
sodium fluoride [no description available]	1.96	1	0	fluoride salt	mutagen
risedronic acid Risedronic Acid: A pyridine and diphosphonic acid derivative that acts as a CALCIUM CHANNEL BLOCKER and inhibits BONE RESORPTION.	2.13	1	0	pyridines
temozolomide [no description available]	3.48	1	1	imidazotetrazine; monocarboxylic acid amide; triazene derivative	alkylating agent; antineoplastic agent; prodrug
urethane [no description available]	1.96	1	0	carbamate ester	fungal metabolite; mutagen
mitomycin Mitomycin: An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-functional ALKYLATING AGENTS causing cross-linking of DNA and inhibition of DNA synthesis.. mitomycin : A family of aziridine-containing natural products isolated from Streptomyces caespitosus or Streptomyces lavendulae.	2.92	4	0	mitomycin	alkylating agent; antineoplastic agent
corticosterone [no description available]	1.96	1	0	11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone	human metabolite; mouse metabolite
thymidine [no description available]	2	1	0	pyrimidine 2'-deoxyribonucleoside	Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite
hydroxyproline Hydroxyproline: A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.. hydroxyproline : A proline derivative that is proline substituted by at least one hydroxy group.	1.98	1	0	4-hydroxyproline; L-alpha-amino acid zwitterion	human metabolite; mouse metabolite; plant metabolite
aldosterone [no description available]	1.98	1	0	11beta-hydroxy steroid; 18-oxo steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid hormone; mineralocorticoid; primary alpha-hydroxy ketone; steroid aldehyde	human metabolite; mouse metabolite
penicillamine Penicillamine: 3-Mercapto-D-valine. The most characteristic degradation product of the penicillin antibiotics. It is used as an antirheumatic and as a chelating agent in Wilson's disease.. penicillamine : An alpha-amino acid having the structure of valine substituted at the beta position with a sulfanyl group.	1.99	1	0	non-proteinogenic alpha-amino acid; penicillamine	antirheumatic drug; chelator; copper chelator; drug allergen
estrone Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens.	1.98	1	0	17-oxo steroid; 3-hydroxy steroid; phenolic steroid; phenols	antineoplastic agent; bone density conservation agent; estrogen; human metabolite; mouse metabolite
androsterone [no description available]	2.08	1	0	17-oxo steroid; 3alpha-hydroxy steroid; androstanoid; C19-steroid	androgen; anticonvulsant; human blood serum metabolite; human metabolite; human urinary metabolite; mouse metabolite; pheromone
dehydroepiandrosterone Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.. dehydroepiandrosterone : An androstanoid that is androst-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands.	2.43	2	0	17-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; androstanoid	androgen; human metabolite; mouse metabolite
dipropylenetriame N-(3-aminopropyl)-1,3-propanediamine: structure in first source	1.99	1	0	polyazaalkane	algal metabolite; plant metabolite
carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups.	2	1	0	chlorocarbon; chloromethanes	hepatotoxic agent; refrigerant
alanine Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2.	3.24	6	0	alanine zwitterion; alanine; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid	EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; fundamental metabolite
serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group.	2.4	2	0	L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine	algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
aspartic acid Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid.	1.99	1	0	aspartate family amino acid; aspartic acid; L-alpha-amino acid; proteinogenic amino acid	Escherichia coli metabolite; mouse metabolite; neurotransmitter
glutamine Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4.	3.77	3	0	amino acid zwitterion; glutamine family amino acid; glutamine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid	EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite
lysine Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine.	5.05	42	0	aspartate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; lysine; organic molecular entity; proteinogenic amino acid	algal metabolite; anticonvulsant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite
cyanides Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide.	2.41	2	0	pseudohalide anion	EC 1.9.3.1 (cytochrome c oxidase) inhibitor
sucrose Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar.	2.96	4	0	glycosyl glycoside	algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; sweetening agent
ethinyl estradiol Ethinyl Estradiol: A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.. 17alpha-ethynylestradiol : A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration.	1.96	1	0	17-hydroxy steroid; 3-hydroxy steroid; terminal acetylenic compound	xenoestrogen
adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position.	3.24	6	0	adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate	fundamental metabolite; human metabolite
uridine [no description available]	1.97	1	0	uridines	drug metabolite; fundamental metabolite; human metabolite
kanamycin a Kanamycin: Antibiotic complex produced by Streptomyces kanamyceticus from Japanese soil. Comprises 3 components: kanamycin A, the major component, and kanamycins B and C, the minor components.. kanamycin : Kanamycin is a naturally occurring antibiotic complex from Streptomyces kanamyceticus that consists of several components: kanamycin A, the major component (also usually designated as kanamycin), and kanamycins B, C, D and X the minor components.	1.94	1	0	kanamycins	bacterial metabolite
galactose galactopyranose : The pyranose form of galactose.	4.28	19	0	D-galactose; galactopyranose	Escherichia coli metabolite; mouse metabolite
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive.	3.07	5	0	ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid	anticoagulant; antidote; chelator; copper chelator; geroprotector
tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring.	3.09	5	0	amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine	EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical
cysteamine Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2.	2.9	4	0	amine; thiol	geroprotector; human metabolite; mouse metabolite; radiation protective agent
adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position.	2.9	4	0	adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate	adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical
4-deoxypyridoxine 4-deoxypyridoxine: RN given refers to parent cpd; structure; pyridoxine antagonist. 4-deoxypyridoxine : A pyridine ring substituted with methyl groups at positions 2 and 4, a hydroxyl at position 3, and a hydroxymethyl group at position 5.	1.97	1	0	hydroxymethylpyridine; methylpyridines; monohydroxypyridine	metabolite
methylene blue Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties.	3.69	9	0	organic chloride salt	acid-base indicator; antidepressant; antimalarial; antimicrobial agent; antioxidant; cardioprotective agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 4.6.1.2 (guanylate cyclase) inhibitor; fluorochrome; histological dye; neuroprotective agent; physical tracer
leucine Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group.	2.42	2	0	amino acid zwitterion; L-alpha-amino acid; leucine; proteinogenic amino acid; pyruvate family amino acid	algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite
aniline [no description available]	2.66	3	0	anilines; primary arylamine
androstenedione Androstenedione: A delta-4 C19 steroid that is produced not only in the TESTIS, but also in the OVARY and the ADRENAL CORTEX. Depending on the tissue type, androstenedione can serve as a precursor to TESTOSTERONE as well as ESTRONE and ESTRADIOL.. androst-4-ene-3,17-dione : A 3-oxo Delta(4)-steroid that is androst-4-ene substituted by oxo groups at positions 3 and 17. It is a steroid hormone synthesized in the adrenal glands and gonads.	2.41	2	0	17-oxo steroid; 3-oxo-Delta(4) steroid; androstanoid	androgen; Daphnia magna metabolite; human metabolite; mouse metabolite
cytidine monophosphate Cytidine Monophosphate: Cytidine (dihydrogen phosphate). A cytosine nucleotide containing one phosphate group esterified to the sugar moiety in the 2', 3' or 5' position.. cytidine 5'-monophosphate : A pyrimidine ribonucleoside 5'-monophosphate having cytosine as the nucleobase.	2.38	2	0	cytidine 5'-phosphate; pyrimidine ribonucleoside 5'-monophosphate	Escherichia coli metabolite; human metabolite; mouse metabolite
methionine Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4.	2.07	1	0	aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid	antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical
phenylalanine Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group.	3.81	2	1	amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; phenylalanine; proteinogenic amino acid	algal metabolite; EC 3.1.3.1 (alkaline phosphatase) inhibitor; Escherichia coli metabolite; human xenobiotic metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite
desoxycorticosterone Desoxycorticosterone: A steroid metabolite that is the 11-deoxy derivative of CORTICOSTERONE and the 21-hydroxy derivative of PROGESTERONE	1.96	1	0	20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; mineralocorticoid; primary alpha-hydroxy ketone	human metabolite; mouse metabolite
n-hexanal [no description available]	2.01	1	0	medium-chain fatty aldehyde; n-alkanal; saturated fatty aldehyde	human urinary metabolite
chloroform Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines.	2.41	2	0	chloromethanes; one-carbon compound	carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant
fluocinolone acetonide Fluocinolone Acetonide: A glucocorticoid derivative used topically in the treatment of various skin disorders. It is usually employed as a cream, gel, lotion, or ointment. It has also been used topically in the treatment of inflammatory eye, ear, and nose disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p732). fluocinolone acetonide : A fluorinated steroid that is flunisolide in which the hydrogen at position 9 is replaced by fluorine. A corticosteroid with glucocorticoid activity, it is used (both as the anhydrous form and as the dihydrate) in creams, gels and ointments for the treatment of various skin disorders.	1.98	1	0	11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; cyclic ketal; fluorinated steroid; glucocorticoid; organic heteropentacyclic compound; primary alpha-hydroxy ketone	anti-inflammatory drug; antipruritic drug
sodium citrate, anhydrous Sodium Citrate: Sodium salts of citric acid that are used as buffers and food preservatives. They are used medically as anticoagulants in stored blood, and for urine alkalization in the prevention of KIDNEY STONES.. sodium citrate : The trisodium salt of citric acid.	3	4	0	organic sodium salt	anticoagulant; flavouring agent
dimethylformamide Dimethylformamide: A formamide in which the amino hydrogens are replaced by methyl groups.. N,N-dimethylformamide : A member of the class of formamides that is formamide in which the amino hydrogens are replaced by methyl groups.	1.96	1	0	formamides; volatile organic compound	geroprotector; hepatotoxic agent; polar aprotic solvent
norethindrone Norethindrone: A synthetic progestational hormone with actions similar to those of PROGESTERONE but functioning as a more potent inhibitor of ovulation. It has weak estrogenic and androgenic properties. The hormone has been used in treating amenorrhea, functional uterine bleeding, endometriosis, and for CONTRACEPTION.. norethisterone : A 17beta-hydroxy steroid that is testosterone in which the hydrogen at position 17 is replaced by an ethynyl group and in which the methyl group attached to position 10 is replaced by hydrogen.	1.96	1	0	17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; terminal acetylenic compound; tertiary alcohol	progestin; synthetic oral contraceptive
mannitol [no description available]	2.67	3	0	mannitol	allergen; antiglaucoma drug; compatible osmolytes; Escherichia coli metabolite; food anticaking agent; food bulking agent; food humectant; food stabiliser; food thickening agent; hapten; metabolite; osmotic diuretic; sweetening agent
dithionitrobenzoic acid Dithionitrobenzoic Acid: A standard reagent for the determination of reactive sulfhydryl groups by absorbance measurements. It is used primarily for the determination of sulfhydryl and disulfide groups in proteins. The color produced is due to the formation of a thio anion, 3-carboxyl-4-nitrothiophenolate.. dithionitrobenzoic acid : An organic disulfide that results from the formal oxidative dimerisation of 2-nitro-5-thiobenzoic acid. An indicator used to quantify the number or concentration of thiol groups.	2.67	3	0	nitrobenzoic acid; organic disulfide	indicator
asparagine Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group.	2.66	3	0	amino acid zwitterion; asparagine; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid	Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite
histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3.	3.07	5	0	amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid	algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite
n-pentanol n-pentanol: RN given refers to parent cpd. pentan-1-ol : A short-chain primary fatty alcohol that is pentane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It has been isolated from Melicope ptelefolia.	2.1	1	0	pentanol; short-chain primary fatty alcohol	human metabolite; plant metabolite
valine Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine.	1.97	1	0	L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid; valine	algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite
threonine Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group.	2.37	2	0	amino acid zwitterion; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid; threonine	algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite
tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3.	2.92	4	0	erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan	antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite
isoleucine Isoleucine: An essential branched-chain aliphatic amino acid found in many proteins. It is an isomer of LEUCINE. It is important in hemoglobin synthesis and regulation of blood sugar and energy levels.. isoleucine : A 2-amino-3-methylpentanoic acid having either (2R,3R)- or (2S,3S)-configuration.. L-isoleucine : The L-enantiomer of isoleucine.	2.42	2	0	aspartate family amino acid; isoleucine; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid	algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite
arginine Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group.	2.68	3	0	arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid	biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical
ethane Ethane: A two carbon alkane with the formula H3C-CH3.. ethane : An alkane comprising of two carbon atoms.	7.06	1	0	alkane; gas molecular entity	plant metabolite; refrigerant
ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges	2.06	1	0	alkene; gas molecular entity	plant hormone; refrigerant
acetylene [no description available]	2.02	1	0	alkyne; gas molecular entity; terminal acetylenic compound
methyl iodide methyl iodide: RN given refers to unlabeled cpd with MF of CH3-I. iodomethane : A member of the class of iodomethanes that is methane in which one of the hydrogens is replaced by iodine.	2.68	3	0	iodomethanes; methyl halides	fumigant insecticide
boranes Boranes: The collective name for the boron hydrides, which are analogous to the alkanes and silanes. Numerous boranes are known. Some have high calorific values and are used in high-energy fuels. (From Grant & Hackh's Chemical Dictionary, 5th ed). borane : The simplest borane, consisting of a single boron atom carrying three hydrogens.. boranes : The molecular hydrides of boron.	8.51	8	0	boranes; mononuclear parent hydride
propane Propane: A three carbon alkane with the formula H3CCH2CH3.	2.06	1	0	alkane; gas molecular entity	food propellant
acetonitrile acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group.	2.11	1	0	aliphatic nitrile; volatile organic compound	EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent
ethanethiol ethanethiol: RN given refers to parent cpd; structure. ethanethiol : An alkanethiol that is ethane substituted by a thiol group at position 1. It is added to odorless gaseous products such as liquefied petroleum gas (LPG) to provide a garlic scent which helps warn of gas leaks.	2	1	0	alkanethiol	rodenticide
methylene chloride Methylene Chloride: A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in high concentrations. Its primary use is as a solvent in manufacturing and food technology.. dichloromethane : A member of the class of chloromethanes that is methane in which two of the hydrogens have been replaced by chlorine. A dense, non-flammible colourless liquid at room temperature (b.p. 40degreeC, d = 1.33) which is immiscible with water, it is widely used as a solvent, a paint stripper, and for the removal of caffeine from coffee and tea.	2.11	1	0	chloromethanes; volatile organic compound	carcinogenic agent; polar aprotic solvent; refrigerant
boron trifluoride [no description available]	2.68	3	0	boron fluoride	NMR chemical shift reference compound
tert-butylhydroperoxide tert-Butylhydroperoxide: A direct-acting oxidative stress-inducing agent used to examine the effects of oxidant stress on Ca(2+)-dependent signal transduction in vascular endothelial cells. It is also used as a catalyst in polymerization reactions and to introduce peroxy groups into organic molecules.. tert-butyl hydroperoxide : An alkyl hydroperoxide in which the alkyl group is tert-butyl. It is widely used in a variety of oxidation processes.	2.67	3	0	alkyl hydroperoxide	antibacterial agent; oxidising agent
trichloroacetic acid Trichloroacetic Acid: A strong acid used as a protein precipitant in clinical chemistry and also as a caustic for removing warts.. trichloroacetic acid : A monocarboxylic acid that is acetic acid in which all three methyl hydrogens are substituted by chlorine.	2.68	3	0	monocarboxylic acid; organochlorine compound	carcinogenic agent; metabolite; mouse metabolite
trifluoroacetic acid Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid.	1.98	1	0	fluoroalkanoic acid	human xenobiotic metabolite; NMR chemical shift reference compound; reagent
triamcinolone acetonide Triamcinolone Acetonide: An esterified form of TRIAMCINOLONE. It is an anti-inflammatory glucocorticoid used topically in the treatment of various skin disorders. Intralesional, intramuscular, and intra-articular injections are also administered under certain conditions.. triamcinolone acetonide : A synthetic glucocorticoid that is the 16,17-acetonide of triamcinolone. Used to treat various skin infections.	3.06	1	0	11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; cyclic ketal; fluorinated steroid; glucocorticoid; primary alpha-hydroxy ketone	anti-allergic agent; anti-inflammatory drug
dimethyl sulfate dimethyl sulfate: RN given refers to unlabeled cpd; structure. dimethyl sulfate : The dimethyl ester of sulfuric acid.	1.98	1	0	alkyl sulfate	alkylating agent; immunosuppressive agent
acrylic acid acrylic acid: RN given refers to parent cpd. acrylic acid : A alpha,beta-unsaturated monocarboxylic acid that is ethene substituted by a carboxy group.	2.25	1	0	alpha,beta-unsaturated monocarboxylic acid	metabolite
rhodamine b rhodamine B: RN & N1 from 9th CI Form Index; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7973; TETRAETHYLRHODAMINE was see RHODAMINES 1975-93; use RHODAMINES to search TETRAETHYLRHODAMINE 1975-93. rhodamine B : An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome.	2.55	2	0	organic chloride salt; xanthene dye	fluorescent probe; fluorochrome; histological dye
diquat Diquat: A contact herbicide used also to produce desiccation and defoliation. (From Merck Index, 11th ed). diquat : The organic cation formed formally by addition of an ethylene bridge between the nitrogen atoms of 2,2'-bipyridine. Most often available as the dibromide.	1.98	1	0	organic cation	defoliant; herbicide
n-vinyl-2-pyrrolidinone N-vinyl-2-pyrrolidinone: monomer of POVIDONE; structure given in first source	2.41	2	0	pyrrolidin-2-ones
quinoline [no description available]	2.03	1	0	azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinolines
phenothiazine 10H-phenothiazine : The 10H-tautomer of phenothiazine.	2.05	1	0	phenothiazine	ferroptosis inhibitor; plant metabolite; radical scavenger
styrene glycol styrene glycol: RN given refers to cpd without isomeric designation	1.99	1	0	benzenes
4-butyrolactone 4-Butyrolactone: One of the FURANS with a carbonyl thereby forming a cyclic lactone. It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. It is also used as a pharmacological agent and solvent.. tetrahydrofuranone : Any oxolane having an oxo- substituent at any position on the tetrahydrofuran ring.. gamma-butyrolactone : A butan-4-olide that is tetrahydrofuran substituted by an oxo group at position 2.	1.98	1	0	butan-4-olide	metabolite; neurotoxin
furaldehyde Furaldehyde: A heterocyclic compound consisting of a furan where the hydrogen at position 2 is substituted by a formyl group.. furfural : An aldehyde that is furan with the hydrogen at position 2 substituted by a formyl group.	2.71	3	0	aldehyde; furans	Maillard reaction product; metabolite
pyrrolidonecarboxylic acid Pyrrolidonecarboxylic Acid: A cyclized derivative of L-GLUTAMIC ACID. Elevated blood levels may be associated with problems of GLUTAMINE or GLUTATHIONE metabolism.. 5-oxo-L-proline : An optically active form of 5-oxoproline having L-configuration.	2.39	2	0	5-oxoproline; L-proline derivative; non-proteinogenic L-alpha-amino acid	algal metabolite
acetophenone acetophenone : A methyl ketone that is acetone in which one of the methyl groups has been replaced by a phenyl group.	2.1	1	0	acetophenones	animal metabolite; photosensitizing agent; xenobiotic
4-nitroaniline [no description available]	2.49	2	0	nitroaniline	bacterial xenobiotic metabolite
methylaniline methylaniline: RN given refers to parent cpd. methylaniline : A substituted aniline carrying one or more methyl groups at unspecified positions.	2.02	1	0	methylaniline; phenylalkylamine; secondary amine
triethanolamine triethanolamine: RN given refers to parent cpd. triethanolamine : A tertiary amino compound that is ammonia in which each of the hydrogens is substituted by a 2-hydroxyethyl group.	2.08	1	0	amino alcohol; tertiary amino compound; triol	buffer; surfactant
boric acid [no description available]	1.98	1	0	boric acids	astringent
4-phenylenediamine 4-phenylenediamine: agent hair dye responsible for contact dermatitis; RN given refers to parent cpd. 1,4-phenylenediamine : A phenylenediamine in which the amino functions are at positions 1 and 4 of the benzene nucleus.	2.17	1	0	phenylenediamine	allergen; dye; hapten; reagent
acrolein [no description available]	3.11	5	0	enal	herbicide; human xenobiotic metabolite; toxin
allyl alcohol allyl alcohol: structure. allylic alcohol : An alcohol where the hydroxy group is attached to a saturated carbon atom adjacent to a double bond (R groups may be H, organyl, etc.).. allyl alcohol : A propenol in which the C=C bond connects C-2 and C-3. It is has been found in garlic (Allium sativum). Formerly used as a herbicide for the control of various grass and weed seeds.	2.05	1	0	primary allylic alcohol; propenol	antibacterial agent; fungicide; herbicide; insecticide; plant metabolite
2-methylpentane Hexanes: Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning.	2.06	1	0	alkane
1,3-butylene glycol 1,3-butylene glycol: RN given refers to cpd without isomeric designation. butane-1,3-diol : A butanediol compound having two hydroxy groups in the 1- and 3-positions.	1.98	1	0	butanediol; glycol
3-hydroxybutanal [no description available]	2.11	1	0
vinyl acetate [no description available]	2.05	1	0	acetate ester
maleic anhydride Maleic Anhydrides: Used in copolymerization reactions, in the Diels-Alder(diene)synthesis, in the preparation of resins, pharmaceuticals and agricultural chemicals. It is a powerful irritant and causes burns.. maleic anhydride : A cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid.	2.05	1	0	cyclic dicarboxylic anhydride; furans	allergen
1,3,5-trichlorobenzene 1,3,5-trichlorobenzene: structure in first source. 1,3,5-trichlorobenzene : A trichlorobenzene carrying chloro substituents at positions 1, 3 and 5.	2.02	1	0	trichlorobenzene
cyanuric chloride cyanuric chloride : A chloro-1,3,5-triazine in which the triazine ring is substituted on each carbon by chlorine. Its main use is in the preparation of the triazine-class pesticides.	7.08	1	0	chloro-1,3,5-triazine; organochlorine compound	cross-linking reagent
melamine melamine: RN given refers to parent cpd; structure. melamine : A trimer of cyanamide, with a 1,3,5-triazine skeleton.	2.11	1	0	triamino-1,3,5-triazine	xenobiotic metabolite
3-hydroxypyridine 3-hydroxypyridine: RN given refeirs to parent cpd. 3-pyridinol : A monohydroxypyridine that is pyridine in which the hydrogen at position 3 has been replaced by a hydroxy group. It has been detected as a thermal degradation product from the smoke of the burning leaves of Salvia divinorum, a Mexican psychoactive plant.	1.96	1	0	monohydroxypyridine
boron trifluoride etherate [no description available]	1.99	1	0
n-butylamine n-butylamine: RN given refers to parent cpd. butan-1-amine : A primary aliphatic amine that is butane substituted by an amino group at position 1.	2.03	1	0	primary aliphatic amine
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen.	2.95	4	0	pyrrole; secondary amine
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring.	2.15	1	0	mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound	non-polar solvent
n-hexane hexane : An unbranched alkane containing six carbon atoms.	2.06	1	0	alkane; volatile organic compound	neurotoxin; non-polar solvent
piperidine [no description available]	2	1	0	azacycloalkane; piperidines; saturated organic heteromonocyclic parent; secondary amine	base; catalyst; human metabolite; non-polar solvent; plant metabolite; protic solvent; reagent
thiodipropionic acid thiodipropionic acid: structure	2.08	1	0	dicarboxylic acid
diethylenetriamine diethylenetriamine: RN given refers to parent cpd	2.01	1	0	polyazaalkane; triamine
octadecyltrichlorosilane [no description available]	2.07	1	0
n-methylpyrrolidine N-methylpyrrolidine: RN given refers to parent cpd	2.01	1	0
syringaldehyde syringaldehyde: isolated from nonfermented fiber fractions of oat hulls and cottonseed hulls. syringaldehyde : A hydroxybenzaldehyde that is 4-hydroxybenzaldehyde substituted by methoxy groups at positions 3 and 5. Isolated from Pisonia aculeata and Panax japonicus var. major, it exhibits hypoglycemic activity.	2.11	1	0	dimethoxybenzene; hydroxybenzaldehyde	hypoglycemic agent; plant metabolite
mesityl oxide mesityl oxide: solvent for extraction of nitrocellulose, many resins, & tellurium; structure	2.01	1	0	olefinic compound
sodium cyanide Sodium Cyanide: A highly poisonous compound that is an inhibitor of many metabolic processes and is used as a test reagent for the function of chemoreceptors. It is also used in many industrial processes.. sodium cyanide : A cyanide salt containing equal numbers of sodium cations and cyanide anions.	1.97	1	0	cyanide salt; one-carbon compound; sodium salt	EC 1.15.1.1 (superoxide dismutase) inhibitor
tetraphenylborate Tetraphenylborate: An anionic compound that is used as a reagent for determination of potassium, ammonium, rubidium, and cesium ions. It also uncouples oxidative phosphorylation and forms complexes with biological materials, and is used in biological assays.	2.05	1	0
monomethylarsonic acid monomethylarsonic acid: structure given in first source	2.42	2	0	arsonic acids; one-carbon compound; organoarsonic acid
ditiocarb Ditiocarb: A chelating agent that has been used to mobilize toxic metals from the tissues of humans and experimental animals. It is the main metabolite of DISULFIRAM.. diethyldithiocarbamic acid : A member of the class of dithiocarbamic acids that is diethylcarbamic acid in which both of the oxygens are replaced by sulfur.	1.96	1	0	dithiocarbamic acids	chelator; copper chelator
thiamine pyrophosphate Thiamine Pyrophosphate: The coenzyme form of Vitamin B1 present in many animal tissues. It is a required intermediate in the PYRUVATE DEHYDROGENASE COMPLEX and the KETOGLUTARATE DEHYDROGENASE COMPLEX.. thiamine(1+) diphosphate chloride : An organic chloride salt of thiamine(1+) diphosphate.	1.96	1	0	organic chloride salt; vitamin B1
benzoxazoles 1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton.	1.98	1	0	1,3-benzoxazoles; mancude organic heterobicyclic parent
cyclopentane Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution.	2.46	2	0	cycloalkane; cyclopentanes; volatile organic compound	non-polar solvent
isoxazoles Isoxazoles: Azoles with an OXYGEN and a NITROGEN next to each other at the 1,2 positions, in contrast to OXAZOLES that have nitrogens at the 1,3 positions.. isoxazole : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing three carbon atoms and an oxygen and nitrogen atom adjacent to each other. It is the parent of the class of isoxazoles.. isoxazoles : Oxazoles in which the N and O atoms are adjacent.	2.9	4	0	isoxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene
oxazoles Oxazoles: Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.. 1,3-oxazole : A five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3.. oxazole : An azole based on a five-membered heterocyclic aromatic skeleton containing one N and one O atom.	1.97	1	0	1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene
nitroblue tetrazolium Nitroblue Tetrazolium: Colorless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis of chronic granulomatous disease.	1.98	1	0	organic cation
hydrazine diamine : Any polyamine that contains two amino groups.	4.68	9	0	azane; hydrazines	EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor
diazomethane Diazomethane: A diazonium compound with the formula CH2N2.. diazomethane : The simplest diazo compound, in which a diazo group is attached to a methylene group.	2.05	1	0	diazo compound	alkylating agent; antineoplastic agent; carcinogenic agent; poison
fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group.	2.9	4	0	monofluorobenzenes	NMR chemical shift reference compound
limestone Calcium Carbonate: Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.. calcium carbonate : A calcium salt with formula CCaO3.	2.49	2	0	calcium salt; carbonate salt; inorganic calcium salt; one-carbon compound	antacid; fertilizer; food colouring; food firming agent
cdta CDTA: RN given refers to parent cpd; structure	2	1	0	organooxygen compound
ninhydrin Ninhydrin: 2,2-Dihydroxy-1H-indene-1,3-(2H)-dione. Reagent toxic to skin and mucus membranes. It is used in chemical assay for peptide bonds, i.e., protein determinations and has radiosensitizing properties.. ninhydrin : A member of the class of indanones that is indane-1,3-dione bearing two additional hydroxy substituents at position 2.	2.11	1	0	aromatic ketone; beta-diketone; indanones; ketone hydrate	colour indicator; human metabolite
dithiol dithiol: structure	7.03	1	0
2-methyl-2-butenal 2-methyl-2-butenal: structure in first source	2.01	1	0
sodium carbonate sodium carbonate: used topically for dermatitides, mouthwash, vaginal douche; veterinary use as emergency emetic; RN given refers to carbonic acid, di-Na salt; structure	2	1	0	carbonate salt; organic sodium salt
cyanogen bromide Cyanogen Bromide: Cyanogen bromide (CNBr). A compound used in molecular biology to digest some proteins and as a coupling reagent for phosphoroamidate or pyrophosphate internucleotide bonds in DNA duplexes.	3.48	8	0
thioacetic acid ethanethioic S-acid : A thioacetic acid that is acetic acid in which the oxygen atom of the hydroxy group has been replaced by a sulfur atom.	2.38	2	0	thioacetic acid
gluconic acid gluconic acid: zinc gluconate has anti-inflammatory activity; RN given refers to (D)-isomer; all RRs refers to (D)-isomer unless otherwise noted. ketogluconic acid : A gluconic acid that contains a ketonic carbonyl group.. D-gluconic acid : A gluconic acid having D-configuration.	2	1	0	gluconic acid	chelator; Penicillium metabolite
copper gluconate Gluconates: Derivatives of gluconic acid (the structural formula HOCH2(CHOH)4COOH), including its salts and esters.	2	1	0	organic molecular entity
methamphetamine Methamphetamine: A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed.. methamphetamine : A member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent.	2.38	2	0	amphetamines; secondary amine	central nervous system stimulant; environmental contaminant; neurotoxin; psychotropic drug; xenobiotic
dicyclohexylcarbodiimide 1,3-dicyclohexylcarbodiimide : A carbodiimide compound having a cyclohexyl substituent on both nitrogen atoms.	1.97	1	0	carbodiimide	ATP synthase inhibitor; cross-linking reagent; peptide coupling reagent
malondialdehyde Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form.	2.42	2	0	dialdehyde	biomarker
gentian violet Gentian Violet: A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties.. crystal violet : An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain.	2.51	2	0	organic chloride salt	anthelminthic drug; antibacterial agent; antifungal agent; antiseptic drug; histological dye
4-aminobenzaldehyde 4-aminobenzaldehyde: a yellow colorimetric indicator for detecting fluoride; structure in first source	2.21	1	0	benzaldehydes
malachite green malachite green: RN given refers to parent cpd; structure. malachite green : An organic chloride salt that is the monochloride salt of malachite green cation. Used as a green-coloured dye, as a counter-stain in histology, and for its anti-fungal properties in aquaculture.	2.11	1	0	organic chloride salt	antibacterial agent; antifungal drug; carcinogenic agent; environmental contaminant; fluorochrome; histological dye; teratogenic agent
congo red Congo Red: An acid dye used in testing for hydrochloric acid in gastric contents. It is also used histologically to test for AMYLOIDOSIS.. Congo Red : An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0.	2.57	2	0	bis(azo) compound
dimethylselenide dimethylselenide: RN given refers to unlabeled cpd. dimethylselenide : An organoselenium compound of two methyl groups covalently bound to a selenium.	2.4	2	0	organoselenium compound	bacterial xenobiotic metabolite; plant metabolite
triphenylphosphine triphenylphosphine: RN given refers to parent cpd. triphenylphosphine : A member of the class of tertiary phosphines that is phosphane in which the three hydrogens are replaced by phenyl groups.	2.05	1	0	benzenes; tertiary phosphine	NMR chemical shift reference compound; reducing agent
c.i. 42510 Rosaniline Dyes: Compounds that contain the triphenylmethane aniline structure found in rosaniline. Many of them have a characteristic magenta color and are used as COLORING AGENTS.. basic fuchsin : A four-component mixture of chemically related dyes comprising pararosanilin, rosanilin, magenta II and new fuchsin in varying amounts. rosanilin : A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin.	2.11	1	0
hydroxyethyl methacrylate hydroxyethyl methacrylate: many of cited refs are for gel which refers to polymeric form of above cpd: POLYHYDROXYETHYL METHACRYLATE. 2-hydroxyethyl methacrylate : An enoate ester that is the monomethacryloyl derivative of ethylene glycol.	2.07	1	0	enoate ester	allergen; polymerisation monomer
cyclopentenone 2-cyclopenten-1-one : An enone that is cyclopentanone having a C=C double bond at position 2.	2.06	1	0	alicyclic ketone; enone	Hsp70 inducer
deoxycytidine [no description available]	2	1	0	pyrimidine 2'-deoxyribonucleoside	Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
2'-deoxyadenosine 2'-deoxyformycin A: RN not in Chemline 9/85; RN and structure given in first source	2	1	0	purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside	Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
rhodamine 6g rhodamine 6G: RN given refers to HCl	2.46	2	0
tri-n-butylphosphine [no description available]	2.4	2	0
4-dimethylaminopyridine 4-dimethylaminopyridine: catalyst for acetylation of hydroxy cpds; structure	2.06	1	0	dialkylarylamine; tertiary amino compound
cadmium sulfide [no description available]	2.07	1	0	cadmium molecular entity
potassium hydroxide potassium hydroxide: RN given refers to cpd with MF of K-OH	2.42	2	0	alkali metal hydroxide
sodium hydroxide Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed)	3.71	10	0	alkali metal hydroxide
chromium trioxide chromium trioxide: oxidizing agent. chromium trioxide : A chromium oxide composed of a single chromium bound (oxidation state +6) to three oxygens; the acidic anhydride of chromic acid.	1.96	1	0	chromium oxide
ammonium hydroxide Ammonium Hydroxide: The hydroxy salt of ammonium ion. It is formed when AMMONIA reacts with water molecules in solution.. ammonium hydroxide : A solution of ammonia in water.	2.4	2	0	inorganic hydroxy compound	food acidity regulator
d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils.	2.42	2	0	alpha-tocopherol	algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite
selenocystine selenocystine: RN given refers to parent cpd; structure	1.96	1	0	diselenide; selenoamino acid
diphenyldiselenide diphenyldiselenide: structure given in first source	2.02	1	0
paraquat Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions.	3.25	6	0	organic cation	geroprotector; herbicide
fluorescein Fluorescein: A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium such as the aqueous humor.. fluorescein (lactone form) : A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy.	2.11	1	0	2-benzofurans; gamma-lactone; organic heteropentacyclic compound; oxaspiro compound; polyphenol; xanthene dye	fluorescent dye; radioopaque medium
methyl thioglycolate methyl thioglycolate: RN given refers to parent cpd	1.97	1	0
fucose Fucose: A six-member ring deoxysugar with the chemical formula C6H12O5. It lacks a hydroxyl group on the carbon at position 6 of the molecule.. L-fucopyranose : The pyranose form of L-fucose.. fucose : Any deoxygalactose that is deoxygenated at the 6-position.	2.38	2	0	fucopyranose; L-fucose	Escherichia coli metabolite; mouse metabolite
n-acetylimidazole [no description available]	1.98	1	0	N-acylimidazole
gamma-glycidoxypropyltrimethoxysilane 3-glycidyloxypropyltrimethoxysilane: used to immobilize carbonic anhydrase into mesoporous supports; structure in first source	2.07	1	0
disperse red 1 Disperse Red 1 : An azo dye with a structure consisting of nitrobenzene substituted on the 4-position of the phenyl group with a 4-[N-ethyl-N-(2-hydroxyethyl)]phenylazo group.	2	1	0
thymine glycol thymine glycol: forms photodimers (thymine dimers) under UV; RN given refers to cpd without isomeric designation	2	1	0	hydroxypyrimidine
uridine diphosphate galactose Uridine Diphosphate Galactose: A nucleoside diphosphate sugar which can be epimerized into UDPglucose for entry into the mainstream of carbohydrate metabolism. Serves as a source of galactose in the synthesis of lipopolysaccharides, cerebrosides, and lactose.. UDP-alpha-D-galactose : A UDP-D-galactose in which the anomeric centre of the galactose moiety has alpha-configuration.	2.66	3	0	UDP-D-galactose	mouse metabolite
fluorescein-5-isothiocyanate Fluorescein-5-isothiocyanate: Fluorescent probe capable of being conjugated to tissue and proteins. It is used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques.. fluorescein 5-isothiocyanate : The 5-isomer of fluorescein isothiocyanate. Acts as a fluorescent probe capable of being conjugated to tissue and proteins; used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques.	1.99	1	0	fluorescein isothiocyanate
(3-chloro-2-hydroxypropyl)trimethylammonium chloride (3-chloro-2-hydroxypropyl)trimethylammonium chloride: structure in first source	2.06	1	0
mannose mannopyranose : The pyranose form of mannose.	3.23	6	0	D-aldohexose; D-mannose; mannopyranose	metabolite
dithiothreitol 1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol.	4.07	15	0	1,4-dimercaptobutane-2,3-diol; butanediols; dithiol; glycol; thiol	chelator; human metabolite; reducing agent
tranylcypromine Tranylcypromine: A propylamine formed from the cyclization of the side chain of amphetamine. This monoamine oxidase inhibitor is effective in the treatment of major depression, dysthymic disorder, and atypical depression. It also is useful in panic and phobic disorders. (From AMA Drug Evaluations Annual, 1994, p311). tranylcypromine : A racemate comprising equal amounts of (1R,2S)- and (1S,2R)-2-phenylcyclopropan-1-amine. An irreversible monoamine oxidase inhibitor that is used as an antidepressant (INN tranylcypromine).. (1R,2S)-tranylcypromine : A 2-phenylcyclopropan-1-amine that is the (1R,2S)-enantiomer of tranylcypromine.	1.96	1	0	2-phenylcyclopropan-1-amine
carbonates Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3.	2.38	2	0	carbon oxoanion
fructosamine Fructosamine: An amino sugar formed when glucose non-enzymatically reacts with the N-terminal amino group of proteins. The fructose moiety is derived from glucose by the classical Amadori rearrangement.	2.67	3	0
dimethyldiselenide dimethyldiselenide: volatile selenium metabolite. dimethyl diselenide : An organoselenium compound that is diselane covalently bound to two methyl groups. It has been detected in onion-family vegetables and soft-necked garlics. It induces ER stress and toxic protein aggregation in the budding yeast, S. cerevisiae and used as a reagent to identify distonic radical cations.	2.05	1	0	organoselenium compound	bacterial metabolite; human xenobiotic metabolite; mammalian metabolite; plant metabolite
iridium Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22.	2.47	2	0	cobalt group element atom; platinum group metal atom
lanthanum [no description available]	2.78	3	0	f-block element atom; lanthanoid atom; scandium group element atom
manganese Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4.	2.92	4	0	elemental manganese; manganese group element atom	Escherichia coli metabolite; micronutrient
mercury Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero.	8.89	12	0	elemental mercury; zinc group element atom	neurotoxin
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46.	9.2	16	0	metal allergen; nickel group element atom; platinum group metal atom
platinum Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae.	3.68	9	0	elemental platinum; nickel group element atom; platinum group metal atom
rhenium Rhenium: A metal, atomic number 75, atomic weight 186.207, symbol Re.	2.43	2	0	manganese group element atom
rhodium Rhodium: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.. rhodium atom : A cobalt group element atom of atomic number 45.	2.21	1	0	cobalt group element atom
ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM.	2.76	3	0	iron group element atom; platinum group metal atom
silver Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA.	5.29	48	0	copper group element atom; elemental silver	Escherichia coli metabolite
technetium Technetium: The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years.	3.59	9	0	manganese group element atom
titanium Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures.	7.17	1	0	titanium group element atom
tungsten Tungsten: A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus.	2.05	1	0	chromium group element atom	micronutrient
argon Argon: A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used.	2.03	1	0	monoatomic argon; noble gas atom; p-block element atom	food packaging gas; neuroprotective agent
cadmium Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common.	3.12	5	0	cadmium molecular entity; zinc group element atom
cerium Cerium: An element of the rare earth family of metals. It has the atomic symbol Ce, atomic number 58, and atomic weight 140.12. Cerium is a malleable metal used in industrial applications.	7.72	3	0	f-block element atom; lanthanoid atom
chromium Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24.	3.13	5	0	chromium group element atom; metal allergen	micronutrient
gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts.	10.2	44	0	copper group element atom; elemental gold
helium Helium: A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics.	2	1	0	monoatomic helium; noble gas atom; s-block element atom	food packaging gas
vanadium Vanadium: A metallic element with the atomic symbol V, atomic number 23, and atomic weight 50.94. It is used in the manufacture of vanadium steel. Prolonged exposure can lead to chronic intoxication caused by absorption usually via the lungs.	1.98	1	0	elemental vanadium; vanadium group element atom	micronutrient
zirconium Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr.	2.02	1	0	titanium group element atom
acetylglucosamine Acetylglucosamine: The N-acetyl derivative of glucosamine.. N-acetyl-beta-D-glucosamine : An N-acetyl-D-glucosamine having beta-configuration at the anomeric centre.	2.37	2	0	N-acetyl-D-glucosamine	epitope
galactosamine 2-amino-2-deoxy-D-galactopyranose : The pyranose form of D-galactosamine.. D-galactosamine : The D-stereoisomer of galactosamine.	2.65	3	0	D-galactosamine; primary amino compound	toxin
cesium chloride cesium chloride: RN given refers to unlabeled cpd. caesium chloride : The inorganic chloride salt of caesium; each caesium ion is coordinated by eight chlorine ions.	1.98	1	0	inorganic caesium salt; inorganic chloride	phase-transfer catalyst; vasoconstrictor agent
nickel chloride nickel chloride: RN given refers to cpd with MF of Ni-Cl2. nickel dichloride : A compound of nickel and chloride in which the ratio of nickel (in the +2 oxidation state) to chloride is 1:2.	2.94	4	0	nickel coordination entity	calcium channel blocker; hapten
phosphine phosphane : The simplest phosphine, consisting of a single phosphorus atom with three hydrogens attached.. phosphine : Phosphane (PH3) and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: RPH2, R2PH, R3P (R =/= H) are called primary, secondary and tertiary phosphines, respectively. A specific phosphine is preferably named as a substituted phosphane.	7.07	1	0	mononuclear parent hydride; phosphanes; phosphine	carcinogenic agent; fumigant insecticide
barium sulfate Barium Sulfate: A compound used as an x-ray contrast medium that occurs in nature as the mineral barite. It is also used in various manufacturing applications and mixed into heavy concrete to serve as a radiation shield.. barium sulfate : A metal sulfate with formula BaO4S. Virtually insoluble in water at room temperature, it is mostly used as a component in oil well drilling fluid it occurs naturally as the mineral barite.	1.98	1	0	barium salt; inorganic barium salt; metal sulfate	radioopaque medium
sodium sulfite [no description available]	2.1	1	0	inorganic sodium salt; sulfite salt	food preservative; reducing agent
ferrous chloride ferrous chloride: induces convulsions; RN given refers to parent cpd	2.11	1	0	iron coordination entity
silver nitrate Silver Nitrate: A silver salt with powerful germicidal activity. It has been used topically to prevent OPHTHALMIA NEONATORUM.	4.47	21	0	inorganic nitrate salt; silver salt	astringent
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus.	3.7	10	0	dihydrogen
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family.	2.45	2	0	diatomic chlorine; gas molecular entity	bleaching agent
nitrous acid Nitrous Acid: Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed)	3.23	6	0	nitrogen oxoacid
deuterium oxide Deuterium Oxide: The isotopic compound of hydrogen of mass 2 (deuterium) with oxygen. (From Grant & Hackh's Chemical Dictionary, 5th ed) It is used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes.	2.07	1	0	deuterated compound; water	NMR solvent
galactose aldohexose : A hexose with a (potential) aldehyde group at one end.	2.89	4	0
ozone Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs.	2	1	0	elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen	antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer
ferric sulfate ferric sulfate: RN given refers to Fe(+3)[3:2] salt). iron(3+) sulfate : A compound of iron and sulfate in which the ratio of iron(3+) to sulfate ions is 3:2.	1.97	1	0	iron molecular entity; metal sulfate	astringent; catalyst; mordant
sodium selenite disodium selenite : An inorganic sodium salt composed of sodium and selenite ions in a 2:1 ratio.	2.05	1	0	inorganic sodium salt; selenite salt	nutraceutical
4-chloro-7-nitrobenzofurazan 4-Chloro-7-nitrobenzofurazan: A benzofuran derivative used as a protein reagent since the terminal N-NBD-protein conjugate possesses interesting fluorescence and spectral properties. It has also been used as a covalent inhibitor of both beef heart mitochondrial ATPase and bacterial ATPase.. 4-chloro-7-nitrobenzofurazan : A benzoxadiazole that is 2,1,3-benzoxadiazole which is substituted at position 4 by chlorine and at position 7 by a nitro group.	1.98	1	0	benzoxadiazole; C-nitro compound; organochlorine compound	EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.6.1.3 (adenosinetriphosphatase) inhibitor; fluorescent probe; fluorochrome
phenacid phenacid: RN given refers to parent cpd; structure	1.96	1	0
ammonium chloride Ammonium Chloride: An acidifying agent that has expectorant and diuretic effects. Also used in etching and batteries and as a flux in electroplating.. ammonium chloride : An inorganic chloride having ammonium as the counterion.	2.1	1	0	ammonium salt; inorganic chloride	ferroptosis inhibitor
tiletamine hydrochloride Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof.	1.97	1	0
tetradecanoylphorbol acetate Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types.	2.37	2	0	acetate ester; diester; phorbol ester; tertiary alpha-hydroxy ketone; tetradecanoate ester	antineoplastic agent; apoptosis inducer; carcinogenic agent; mitogen; plant metabolite; protein kinase C agonist; reactive oxygen species generator
fluoroboric acid [no description available]	2.06	1	0	boron fluoride
gold tetrachloride, acid gold tetrachloride, acid: used in root canal therapy; RN given refers to (SP-4-1)	2.1	1	0
fluorides [no description available]	2.44	2	0	halide anion; monoatomic fluorine
stannic oxide tin dioxide : A tin oxide compound consisting of tin(IV) covalently bound to two oxygen atoms.	2.99	4	0	tin oxide
chromium chromium hexavalent ion: a human respiratory carcinogen	2.63	2	0	chromium cation; monoatomic hexacation
1-deoxynojirimycin 1-deoxy-nojirimycin: structure in first source. duvoglustat : An optically active form of 2-(hydroxymethyl)piperidine-3,4,5-triol having 2R,3R,4R,5S-configuration.	1.97	1	0	2-(hydroxymethyl)piperidine-3,4,5-triol; piperidine alkaloid	anti-HIV agent; anti-obesity agent; bacterial metabolite; EC 3.2.1.20 (alpha-glucosidase) inhibitor; hepatoprotective agent; hypoglycemic agent; plant metabolite
iodine [no description available]	2.37	2	0	halide anion; monoatomic iodine	human metabolite
osmium tetroxide Osmium Tetroxide: (T-4)-Osmium oxide (OsO4). A highly toxic and volatile oxide of osmium used in industry as an oxidizing agent. It is also used as a histological fixative and stain and as a synovectomy agent in arthritic joints. Its vapor can cause eye, skin, and lung damage.. osmium tetroxide : An osmium coordination entity consisting of four oxygen atoms bound to a central osmium atom via covalent double bonds.	2.07	1	0	osmium coordination entity	fixative; histological dye; oxidising agent; poison
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid.	2.69	3	0	benzenes; phenyl acetates
isopentyl alcohol isopentyl alcohol: RN given refers to unlabeled parent cpd. isoamylol : An primary alcohol that is butan-1-ol in which a hydrogen at position 3 has been replaced by a methyl group.	2.1	1	0	alkyl alcohol; primary alcohol; volatile organic compound	antifungal agent; Saccharomyces cerevisiae metabolite; xenobiotic metabolite
triamcinolone Triamcinolone: A glucocorticoid given, as the free alcohol or in esterified form, orally, intramuscularly, by local injection, by inhalation, or applied topically in the management of various disorders in which corticosteroids are indicated. (From Martindale, The Extra Pharmacopoeia, 30th ed, p739). triamcinolone : A C21-steroid hormone that is 1,4-pregnadiene-3,20-dione carrying four hydroxy substituents at positions 11beta, 16alpha, 17alpha and 21 as well as a fluoro substituent at position 9. Used in the form of its 16,17-acetonide to treat various skin infections.	1.99	1	0	11beta-hydroxy steroid; 16alpha-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid hormone; fluorinated steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone	anti-allergic agent; anti-inflammatory drug
dimedone dimedone: RN given refers to parent cpd; structure	1.97	1	0
alkenes [no description available]	3.59	8	0
glutamic acid Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2.	3.23	6	0	glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid	Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical
poly-n,n-dimethyl-n,n-diallylammonium chloride diallyldimethylammonium chloride: structure in first source	2.06	1	0
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3.	2.97	4	0	pseudohalide anion	mitochondrial respiratory-chain inhibitor
adenosine diphosphate ribose Adenosine Diphosphate Ribose: An ester formed between the aldehydic carbon of RIBOSE and the terminal phosphate of ADENOSINE DIPHOSPHATE. It is produced by the hydrolysis of nicotinamide-adenine dinucleotide (NAD) by a variety of enzymes, some of which transfer an ADP-ribosyl group to target proteins.	1.96	1	0	ADP-sugar	Escherichia coli metabolite; mouse metabolite
amoxicillin Amoxicillin: A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration.. amoxicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-(4-hydroxyphenyl)acetamido group.	2.06	1	0	penicillin allergen; penicillin	antibacterial drug
dimethyl suberimidate Dimethyl Suberimidate: The methyl imidoester of suberic acid used to produce cross links in proteins. Each end of the imidoester will react with an amino group in the protein molecule to form an amidine.	1.97	1	0
acetylgalactosamine Acetylgalactosamine: The N-acetyl derivative of galactosamine.	2.88	4	0	N-acetyl-D-hexosamine; N-acetylgalactosamine	Escherichia coli metabolite; human metabolite; mouse metabolite
3,4,3',4'-tetrachlorobiphenyl 3,4,3',4'-tetrachlorobiphenyl: RN given refers to parent cpd. 3,3',4,4'-tetrachlorobiphenyl : A tetrachlorobiphenyl that is biphenyl in which the hydrogens at position 3 and 4 on each phenyl group are replaced by chlorines.	2.06	1	0	dichlorobenzene; tetrachlorobiphenyl
paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL).	2.08	1	0	taxane diterpenoid; tetracyclic diterpenoid	antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent
fluorescamine Fluorescamine: A nonfluorescent reagent for the detection of primary amines, peptides and proteins. The reaction products are highly fluorescent.	1.96	1	0
1,8-dinitropyrene [no description available]	1.97	1	0	pyrenes
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid [no description available]	2.01	1	0	chromanol; monocarboxylic acid; phenols	antioxidant; ferroptosis inhibitor; neuroprotective agent; radical scavenger; Wnt signalling inhibitor
diaziquone diaziquone: RN given refers to parent cpd. diaziquone : A 1,4-benzoquinone that is substituted at positions 2 and 5 have been replaced by aziridin-1-yl groups and at positions 3 and 6 by (ethoxycarbonyl)amino groups.	1.96	1	0	1,4-benzoquinones; aziridines; carbamate ester; enamine	alkylating agent; antineoplastic agent
elliptinium elliptinium: synthetic ellipticine deriv; RN given refers to parent cpd; structure given in first source	1.96	1	0	carbazoles
bde 206 2,2',3,3',4,4',5,5',6-nonabromodiphenyl ether: structure in first source	2.06	1	0
arsenobetaine [no description available]	2	1	0	organic salt
3-chloro-4-(dichloromethyl)-5-hydroxy-2(5h)-furanone 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone: structure given in first source	1.97	1	0	butenolide
raloxifene hydrochloride Raloxifene Hydrochloride: A second generation selective estrogen receptor modulator (SERM) used to prevent osteoporosis in postmenopausal women. It has estrogen agonist effects on bone and cholesterol metabolism but behaves as a complete estrogen antagonist on mammary gland and uterine tissue.. raloxifene hydrochloride : A hydrochloride salt resulting from the reaction of equimolar amounts of raloxifene and hydrogen chloride.	2.01	1	0	hydrochloride	bone density conservation agent; estrogen antagonist; estrogen receptor modulator
tucaresol tucaresol: causes a dose-dependent left-shift of the oxygen saturation curve of hemoglobin S by stabilization of its oxy-(R)-conformation; an anti-sickling agent	1.99	1	0
lamivudine [no description available]	2.15	1	0	monothioacetal; nucleoside analogue; oxacycle; primary alcohol	allergen; anti-HBV agent; antiviral drug; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor; HIV-1 reverse transcriptase inhibitor; prodrug
sudan black b Sudan black B : A member of the class of perimidines that is 2,2-dimethyl-2,3-dihydro-1H-perimidine carrying a [4-(phenyldiazenyl)naphthalen-1-yl]diazenyl substituent at position 6. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections and for staining of protein bound lipids in paraffin sections.	2.17	1	0	azobenzenes; bis(azo) compound; perimidines	histological dye
vanadates Vanadates: Oxyvanadium ions in various states of oxidation. They act primarily as ion transport inhibitors due to their inhibition of Na(+)-, K(+)-, and Ca(+)-ATPase transport systems. They also have insulin-like action, positive inotropic action on cardiac ventricular muscle, and other metabolic effects.. vanadate(3-) : A vanadium oxoanion that is a trianion with formula VO4 in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms.	1.99	1	0	trivalent inorganic anion; vanadium oxoanion	EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor
dolomite calcium magnesium carbonate: mineral recommended by lay periodicals as a desirable source of calcium & magnesium, but found to be also a source of potentially toxic heavy metals	2.11	1	0
cuprous chloride cuprous chloride: RN given refers to unlabeled cpd. copper(I) chloride : An inorganic chloride of copper in which the metal is in the +1 oxidation state.	2.08	1	0	copper molecular entity; inorganic chloride	agrochemical; molluscicide
caloreen caloreen: glucose polymer with average length of five glucose units for dietary energy supplement. dextrin : Glucans produced by the hydrolysis of starch or glycogen. They are mixtures of polymers of D-glucose units linked by alpha(1->4) or alpha(1->6) glycosidic bonds.	2.38	2	0
lanthanum chloride lanthanum chloride: RN given refers to parent cpd	2.08	1	0
5-methylcytosine 5-Methylcytosine: A methylated nucleotide base found in eukaryotic DNA. In ANIMALS, the DNA METHYLATION of CYTOSINE to form 5-methylcytosine is found primarily in the palindromic sequence CpG. In PLANTS, the methylated sequence is CpNpGp, where N can be any base.. 5-methylcytosine : A pyrimidine that is a derivative of cytosine, having a methyl group at the 5-position.	2.44	2	0	methylcytosine; pyrimidines	human metabolite
4-nitrophenylalanine 4-nitrophenylalanine: RN given refers to cpd without isomeric designation	1.98	1	0	C-nitro compound
1,3-oxathiolane 1,3-oxathiolane: structure	2.15	1	0
thomsen-friedenreich antigen Thomsen-Friedenreich antigen: do not confuse with T antigens, which are viral	1.98	1	0
metaperiodate Periodic Acid: A strong oxidizing agent.	9.89	36	0	iodine oxoacid
peroxynitric acid [no description available]	2.39	2	0	nitrogen oxoacid
trifluoroacetaldehyde [no description available]	2.11	1	0
bicozamycin bicozamycin : A commercially important azabicyclic antibiotic obtained from Streptomyces sapporonensis. It inhibits the Rho protein of E. coli.	2.41	2	0	azabicycloalkane; bridged compound	antibacterial agent; antidiarrhoeal drug; antiinfective agent
5-nitrosalicylaldehyde [no description available]	1.99	1	0
benzeneboronic acid [no description available]	2.15	1	0	boronic acids
leucomalachite green [no description available]	2.11	1	0	benzenoid aromatic compound
4-fluorobenzylamine [no description available]	2.05	1	0
1,7-phenanthroline [no description available]	2.44	2	0	phenanthroline
triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms.	1.99	1	0	1,2,3-triazole
delphinidin Paraffin: A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology.. delphinidin chloride : An anthocyanidin chloride that has delphinidin as the cationic counterpart.	1.96	1	0	anthocyanidin chloride
fluorodeoxyglucose f18 Fluorodeoxyglucose F18: The compound is given by intravenous injection to do POSITRON-EMISSION TOMOGRAPHY for the assessment of cerebral and myocardial glucose metabolism in various physiological or pathological states including stroke and myocardial ischemia. It is also employed for the detection of malignant tumors including those of the brain, liver, and thyroid gland. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1162)	2.31	1	0	2-deoxy-2-((18)F)fluoro-D-glucose; 2-deoxy-2-fluoro-aldehydo-D-glucose
artemisinin (+)-artemisinin : A sesquiterpene lactone obtained from sweet wormwood, Artemisia annua, which is used as an antimalarial for the treatment of multi-drug resistant strains of falciparum malaria.	1.99	1	0	organic peroxide; sesquiterpene lactone	antimalarial; plant metabolite
glycine amide glycine amide: RN given refers to parent cpd	1.97	1	0	amino acid amide; glycine derivative
leucogentian violet leucogentian violet: metabolite of gentian violet; structure given in first source	2.11	1	0	benzenoid aromatic compound
fructose-6-phosphate fructose-6-phosphate: RN given refers to parent cpd with unspecified isomeric designation. fructose 6-phosphate : A ketohexose monophosphate consisting of fructose having a phosphate group located at the 6-position.	1.96	1	0	D-fructose 6-phosphate
5-hydroxymethylcytosine 5-(hydroxymethyl)cytosine : A nucleobase analogue that is cytosine in which the hydrogen at position 5 is replaced by a hydroxymethyl group.	2.13	1	0	aminopyrimidine; aromatic primary alcohol; nucleobase analogue; pyrimidone	human metabolite; mouse metabolite
bicinchoninic acid [no description available]	2.02	1	0
masoprocol Masoprocol: A potent lipoxygenase inhibitor that interferes with arachidonic acid metabolism. The compound also inhibits formyltetrahydrofolate synthetase, carboxylesterase, and cyclooxygenase to a lesser extent. It also serves as an antioxidant in fats and oils.. masoprocol : The meso-form of nordihydroguaiaretic acid. An antioxidant found in the creosote bush, Larrea divaricata, it is a potent lipoxygenase inhibitor that interferes with arachidonic acid metabolism. It also inhibits (though to a lesser extent) formyltetrahydrofolate synthetase, carboxylesterase, and cyclooxygenase.	1.98	1	0	nordihydroguaiaretic acid	antineoplastic agent; hypoglycemic agent; lipoxygenase inhibitor; metabolite
bw 12c79 5-(2-formyl-3-hydroxyphenoxy)pentanoic acid: aromatic aldehyde; aldehyde group interacts with N-terminal amino group of both alpha-globin chains	1.96	1	0
5-hydroxyuracil 5-hydroxyuracil: used in treatment of colonic adenocarcinoma	2	1	0	hydroxypyrimidine
2,5-anhydromannitol 2,5-anhydromannitol: RN given refers to cpd with specified locants	1.96	1	0
sodium selenide [no description available]	1.97	1	0	inorganic sodium salt	poison; reducing agent
pentafluorobenzyl bromide pentafluorobenzyl bromide : A member of the class benzyl bromides that is benzyl bromide in which the hydrogens at positions 2, 3, 4, 5 and 6 of the phenyl ring are replaced by fluoro groups. It is a versatile derivatization agent in chromatography and mass spectrometry.	1.99	1	0	benzyl bromides; fluorobenzenes
4,4'-dipyridyl disulfide 4,4'-dipyridyl disulfide : An organic disulfide obtained by formal oxidative dimerisation of 4-thiopyridine.	2.03	1	0	organic disulfide; pyridines
n-ethyl-5-phenylisoxazolium-3'-sulfonate N-ethyl-5-phenylisoxazolium-3'-sulfonate: reagent for rapid modification of carboxyl groups in proteins; structure	2.9	4	0
4-phenyl-1,2,4-triazoline-3,5-dione 4-phenyl-1,2,4-triazoline-3,5-dione: structure given in first source	1.99	1	0
1,3-bis(diphenylphosphino)propane 1,3-bis(diphenylphosphino)propane: structure in first source	2.06	1	0
iridium oxide iridium oxide: RN given refers to Ir-O2	2.07	1	0
biotin hydrazide biotin hydrazide: structure given in first source; RN given refers to (3aS-(3aalpha,4beta,6aalpha))-isomer	2.05	1	0
fibrinogen Fibrinogen: Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products.. D-iditol : The D-enantiomer of iditol.	1.98	1	0	iditol	fungal metabolite
cadmium telluride cadmium telluride: used in radiation monitoring device	2.08	1	0
goethite [no description available]	2.02	1	0
homocysteine Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration.	2.9	4	0	amino acid zwitterion; homocysteine; serine family amino acid	fundamental metabolite; mouse metabolite
trimethylselenonium trimethylselenonium: product of selenite metabolism in rats; RN given refers to parent cpd. trimethylselenonium : An organic cation consisting of three methyl groups covalently bound to a central selenium atom.	1.96	1	0	organic cation	human xenobiotic metabolite
quinclorac quinclorac: an herbicide. quinclorac : A quinolinemonocarboxylic acid that is quinoline-8-carboxylic acid in which the hydrogens at positions 3 and 7 have been replaced by chlorines. It is used (particularly as its dimethylamine salt, known as quinclorac-dimethylammonium) as a (rather persistent) herbicide for the post-emergence control of weeds in rice, grass and turf. It is not approved for use within the European Union.	2.15	1	0	monocarboxylic acid; organochlorine compound; quinolinemonocarboxylic acid	agrochemical; herbicide; synthetic auxin
acetoacetyl coa [no description available]	2	1	0	3-oxo-fatty acyl-CoA	Escherichia coli metabolite; mouse metabolite
glycidyl nitrate glycidyl nitrate: a nitric oxide donor; structure in first source. peptidoglycan : A peptidoglycosaminoglycan formed by alternating residues of beta-(1->4)-linked N-acetylglucosamine and N-acetylmuramic acid {2-amino-3-O-[(S)-1-carboxyethyl]-2-deoxy-D-glucose} residues. Attached to the carboxy group of the muramic acid is a peptide chain of three to five amino acids.	2.37	2	0
pyrimidine dimers Pyrimidine Dimers: Dimers found in DNA chains damaged by ULTRAVIOLET RAYS. They consist of two adjacent PYRIMIDINE NUCLEOTIDES, usually THYMINE nucleotides, in which the pyrimidine residues are covalently joined by a cyclobutane ring. These dimers block DNA REPLICATION.	2.37	2	0
coumarin 480 coumarin 480: structure in first source	2.07	1	0	7-aminocoumarins	fluorochrome
glucuronic acid Glucuronic Acid: A sugar acid formed by the oxidation of the C-6 carbon of GLUCOSE. In addition to being a key intermediate metabolite of the uronic acid pathway, glucuronic acid also plays a role in the detoxification of certain drugs and toxins by conjugating with them to form GLUCURONIDES.. D-glucuronic acid : The D-enantiomer of glucuronic acid.. D-glucopyranuronic acid : A D-glucuronic acid in cyclic pyranose form.	2.68	3	0	D-glucuronic acid	algal metabolite
2-amino-5-hydroxyvaleric acid 2-amino-5-hydroxyvaleric acid: a specific marker of oxidized arginine and proline residues in proteins; RN given refers to cpd without isomeric designation; structure	3.77	3	0	alpha-amino acid
4-deoxypyridoxine 5'-phosphate [no description available]	1.97	1	0
2'-fluoro-2'-deoxyadenosine [no description available]	2	1	0
16-hydroxydehydroepiandrosterone 16-hydroxydehydroepiandrosterone: RN refers to (3beta,16alpha)-isomer	2.02	1	0	16alpha-hydroxy steroid; 17-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; androstanoid; secondary alpha-hydroxy ketone	human metabolite; mouse metabolite
cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27.	8.32	6	0	cobalt group element atom; metal allergen	micronutrient
1,4-dihydropyridine [no description available]	2.03	1	0
u 74389f U 74389F: a 21-aminosteroid antioxidant (lazaroids); inhibitor of iron-dependent lipid peroxidation; structure in first source	1.98	1	0
fructose 2,6-diphosphate fructose 2,6-diphosphate: phosphofructokinase activator synthesized via Mg-ATP & fructose-6-P. beta-D-fructofuranose 2,6-bisphosphate : A D-fructofuranose 2,6-bisphosphate with a beta-configuration at the anomeric centre.	1.96	1	0	D-fructofuranose 2,6-bisphosphate	human metabolite; mouse metabolite
pyridinoline pyridinoline: 3-hydroxypyridinium derivative collagen crosslink; structure	2.37	2	0	organonitrogen compound; organooxygen compound
deoxypyridinoline deoxypyridinoline: structure given in first source	1.98	1	0
inositol 1-phosphate 1D-myo-inositol 1-phosphate : An inositol having myo- configuration substituted at position 1 by a phosphate group.	2.02	1	0
beta-hydroxyvaleric acid 3-hydroxypentanoic acid : A short-chain fatty acid that is valeric acid in which one of the methylene hydrogens at position 3 has been replaced by a hydroxy group.	1.98	1	0	3-hydroxy fatty acid; ketone body; short-chain fatty acid
dityrosine dityrosine: o,o'-biphenol analog of tyrosine; isolated from insoluble protein of human cataractous lenses; structure. dityrosine : A biphenyl compound comprising two tyrosine residues linked at carbon-3 of their benzene rings.	2.43	2	0	biphenyls; non-proteinogenic alpha-amino acid; tyrosine derivative	biomarker
u 74500a U 74500A: potent inhibitor of iron-dependent lipid peroxidation; has excellent activity in in vivo models of experimental CNS trauma & ischemia; structure given in first source; RN given is for 3,6-bis(diethylamino) cpd; Cancer Lett 1992;64(1):61-6 uses 5,6-bis(diethylamino) cpd for U 74500A	1.98	1	0
deoxyglucose Deoxyglucose: 2-Deoxy-D-arabino-hexose. An antimetabolite of glucose with antiviral activity.. deoxyglucose : A deoxyhexose comprising glucose having at least one hydroxy group replaced by hydrogen.	2.89	4	0
prolinamide prolinamide: RN given refers to cpd without isomeric designation. L-prolinamide : The carboxamide derivative of L-proline.	2.11	1	0	amino acid amide; L-proline derivative; pyrrolidinecarboxamide
1-glyceryloctyl ether 1-glyceryloctyl ether: non-hydrolyzable substrate analog of lipase	1.97	1	0
monobromobimane monobromobimane: fluorescent when reacted with thiol group; RN & N1 from CA Vol 91 Form Index; inhibits platelet calcium-dependent protease activity & the ability of dibucaine-stimulated platelets to support factor X activation; structure in first source. monobromobimane : A pyrazolopyrazole that consists of 1H,7H-pyrazolo[1,2-a]pyrazole-1,7-dione bearing three methyl substituents at positions 2, 5 and 6 as well as a bromomethyl substituent at the 3-position.	2.69	3	0	organobromine compound; pyrazolopyrazole	fluorochrome
selenomethylselenocysteine selenomethylselenocysteine: RN given refers to parent cpd	1.96	1	0	non-proteinogenic alpha-amino acid; selenocysteines	antineoplastic agent; human metabolite
3-deoxyglucosone 3-deoxyglucosone: RN given refers to (D)-isomer. 3-deoxyglucosone : A deoxyketohexose comprising the open-chain form of D-glucose lacking the -OH group at the 3-position and having the keto group at the 2-position.	1.98	1	0	deoxyglucose; deoxyketohexose
selenocystamine selenocystamine: RN given refers to parent cpd; structure	1.98	1	0	organoselenium compound
5,6-dihydroxy-2-indolylcarboxylic acid 5,6-dihydroxyindole-2-carboxylic acid : A dihydroxyindole that is indole-2-carboxylic acid substituted by hydroxy groups at positions 5 and 6.	2.13	1	0	dihydroxyindole	mouse metabolite
tris(2-carboxyethyl)phosphine tris(2-carboxyethyl)phosphine: water-soluble reagent which irreversibly reduces disulfides to thiols at room temperature & is active below neutral pH; used for quantitation of iodine and iodate. TCEP : A tertiary phosphine in which phosphane is substituted with three 2-carboxyethyl groups. It is a commonly used reducing agent.	2.13	1	0	phosphine derivative; tricarboxylic acid	reducing agent
muricholic acid muricholic acid: internal standard in analysis of fecal bile acids; RN given refers to (3 alpha,5 beta)-isomer	1.98	1	0	3alpha-hydroxy steroid; 6-hydroxy steroid; 7-hydroxy steroid; bile acid; C24-steroid; trihydroxy-5beta-cholanic acid
7-fluorobenzo-2-oxa-1,3-diazole-4-sulfonate 7-fluorobenzo-2-oxa-1,3-diazole-4-sulfonate: fluorogenic reagent for thiols; structure given in first source; RN given refers to ammonium salt; RN for parent cpd not in Chemline 9/84	2.41	2	0
pyridoxal 5'-diphospho-5'-adenosine pyridoxal 5'-diphospho-5'-adenosine: structure given in first source	1.97	1	0
chapso chapso: RN given refers to (3alpha,5beta,7alpha,12alpha)-isomer	1.99	1	0
delta-hydroxylysylnorleucine delta-hydroxylysylnorleucine: RN given refers to cpd without isomeric designation	2.38	2	0
stannane [no description available]	2.05	1	0	mononuclear parent hydride; tin hydride
fullerene c60 Fullerenes: A polyhedral CARBON structure composed of around 60-80 carbon atoms in pentagon and hexagon configuration. They are named after Buckminster Fuller because of structural resemblance to geodesic domes. Fullerenes can be made in high temperature such as arc discharge in an inert atmosphere.. fullerene : A compound composed solely of an even number of carbon atoms, which form a cage-like fused-ring polycyclic system with twelve five-membered rings and the rest six-membered rings. The term has been broadened to include any closed cage structure consisting entirely of three-coordinate carbon atoms.	2.13	1	0	fullerene	geroprotector
ribulose-1,5 diphosphate ribulose-1,5 diphosphate: RN given refers to cpd without isomeric designation. D-ribulose 1,5-bisphosphate : A ribulose phosphate that is D-ribulose attached to phosphate groups at positions 1 and 5. It is an intermediate in photosynthesis.	1.96	1	0	ribulose phosphate	Escherichia coli metabolite; plant metabolite
n(6)-carboxymethyllysine N(6)-carboxymethyllysine: RN given refers to (L)-isomer; structure given in first source. N(6)-carboxymethyl-L-lysine : An L-lysine derivative with a carboxymethyl substituent at the N(6)-position.	2.01	1	0	L-lysine derivative; non-proteinogenic L-alpha-amino acid	antigen
technetium tc 99m etidronate [no description available]	1.96	1	0
3-(trifluoromethyl)-3-(3-iodophenyl)diazirine 3-(trifluoromethyl)-3-(3-iodophenyl)diazirine: photoactivatable probe, carbene-generating reagent	1.97	1	0
1,9-dimethylmethylene blue 1,9-dimethylmethylene blue: RN refers to chloride	1.97	1	0
6-methoxy-n-(3-sulfopropyl)quinolinium 6-methoxy-N-(3-sulfopropyl)quinolinium: structure given in first source	2.02	1	0
gamma-glutamylcysteine L-gamma-glutamyl-L-cysteine : A molecular entity formed when L-cysteine amino group binds to the gamma-carbonyl of L-glutamic acid.	2.02	1	0	gamma-glutamylcysteine	Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
dehydroalanine 2-ammonioprop-2-enoate : An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of 2-aminoacrylic acid.. 2-aminoacrylic acid : A 2,3-dehydroamino acid that is alanine which has been dehydrogenated to introduce a double bond between positions 2 and 3.	1.98	1	0	2,3-dehydroamino acid; alpha,beta-unsaturated monocarboxylic acid; amino acid zwitterion; enamine; non-proteinogenic alpha-amino acid	alkylating agent; human metabolite; mouse metabolite
5,5'-dihydroxylysylnorleucine [no description available]	1.98	1	0
cyclo(prolylglycyl) cyclo(prolylglycyl): RN given is for 17O-labeled cpd	2.02	1	0
3-(n-maleimidopropionyl)biocytin 3-(N-maleimidopropionyl)biocytin: thiol-specific biotinylating reagent; structure given in first source	1.97	1	0	peptide
cyclic 1,n(2)-propanodeoxyguanosine cyclic 1,N(2)-propanodeoxyguanosine: structure given in first source; RN refers to (6R-trans)-isomer	2.07	1	0
8-((4-bromo-2,3-dioxobutyryl)thio)adenosine 5'diphosphate 8-((4-bromo-2,3-dioxobutyryl)thio)adenosine 5'diphosphate: structure given in first source	1.99	1	0
castasterone castasterone: a brassinosteroid; RN refers to ((2alpha,3alpha,5alpha,22R,23R,24S)-isomer; structure in first source	2.01	1	0	22-hydroxy steroid; 23-hydroxy steroid; 2alpha-hydroxy steroid; 3alpha-hydroxy steroid; 6-oxo steroid; brassinosteroid	plant growth stimulator
xylose xylopyranose: structure in first source	2.96	4	0	D-xylose
perrhenate perrhenate: RN given refers to cpd with MF of O4-Re	2.06	1	0	monovalent inorganic anion; rhenium oxoanion
proline Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2.	2.9	4	0	amino acid zwitterion; glutamine family amino acid; L-alpha-amino acid; proline; proteinogenic amino acid	algal metabolite; compatible osmolytes; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite
levofloxacin Levofloxacin: The L-isomer of Ofloxacin.. levofloxacin : An optically active form of ofloxacin having (S)-configuration; an inhibitor of bacterial topoisomerase IV and DNA gyrase.	2.31	1	0	9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid; fluoroquinolone antibiotic; quinolone antibiotic	antibacterial drug; DNA synthesis inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; topoisomerase IV inhibitor
phorbols Phorbols: The parent alcohol of the tumor promoting compounds from CROTON OIL (Croton tiglium).	1.96	1	0	diterpene; terpenoid fundamental parent
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent.	3.26	6	0	oxygen hydride; oxygen radical; reactive oxygen species
glucosone glucosone: RN given refers to cpd with unspecified isomeric designation	1.98	1	0	ketoaldohexose
singlet oxygen Singlet Oxygen: An excited state of molecular oxygen generated photochemically or chemically. Singlet oxygen reacts with a variety of biological molecules such as NUCLEIC ACIDS; PROTEINS; and LIPIDS; causing oxidative damages.	2.78	3	0	chalcogen; monoatomic oxygen; nonmetal atom	macronutrient
fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols	2	1	0
carbodiimides Carbodiimides: Compounds with the general formula RN=C=NR, where R is a hydrocarbyl group.. methanediimine : A carbodiimide in which both nitrogens are unsubstituted.	2.38	2	0	carbodiimide
epsilon-pyridoxyllysine epsilon-pyridoxyllysine: RN given refers to (L-Lys)-isomer	1.96	1	0
cerous chloride cerous chloride: RN given refers to cpd with MF CeCl3	1.99	1	0	cerium coordination entity
sialyl-le(a) oligosaccharide sialyl-Le(a) oligosaccharide: isolated from human milk	1.99	1	0
hydromethylthionine hydromethylthionine: reduced form of methylene blue. leucomethylene blue : A member of the class of phenothiazines that is 10H-phenothiazine in which the ring hydrogens at positions 3 and 7 have been replaced by dimethylamino groups.	2.48	2	0	aromatic amine; phenothiazines; tertiary amino compound	bacterial xenobiotic metabolite; fluorochrome; mouse metabolite; rat metabolite
5-deoxypyridoxal 5-deoxypyridoxal: structure	3.06	1	0
metaperiodate metaperiodate: RN given refers to periodic acid, Na salt; structure. periodate : A monovalent inorganic anion obtained by deprotonation of periodic acid.	9.58	26	0	iodine oxoanion; monovalent inorganic anion
palmitoyl dihydroxyacetone phosphate [no description available]	1.96	1	0	1-acylglycerone 3-phosphate
2-hydroxy-3-butynoate 2-hydroxy-3-butynoic acid: irreversible inhibitor of D-lactate dehydrogenase; structure	1.96	1	0
histidinohydroxymerodesmosine histidinohydroxymerodesmosine: structure	1.98	1	0
biotin vitamin B7 : Any member of a group of vitamers that belong to the chemical structural class called biotins that exhibit biological activity against vitamin B7 deficiency. Vitamin B7 deficiency is very rare in individuals who take a normal balanced diet. Foods rich in biotin are egg yolk, liver, cereals, vegetables (spinach, mushrooms) and rice. Symptoms associated with vitamin B7 deficiency include thinning hair, scaly skin rashes around eyes, nose and mouth, and brittle nails. The vitamers include biotin and its ionized and salt forms.	3.56	2	0	biotins; vitamin B7	coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite
angiotensin ii Giapreza: injectable form of angiotensin II used to increase blood pressure in adult patients with septic or other distributive shock. Ile(5)-angiotensin II : An angiotensin II that acts on the central nervous system (PDB entry: 1N9V).	2.05	1	0	amino acid zwitterion; angiotensin II	human metabolite
lignin Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure.	8.37	6	0
nickel monoxide [no description available]	2.17	1	0
aflatoxin b1 Aflatoxin B1: A potent hepatotoxic and hepatocarcinogenic mycotoxin produced by the Aspergillus flavus group of fungi. It is also mutagenic, teratogenic, and causes immunosuppression in animals. It is found as a contaminant in peanuts, cottonseed meal, corn, and other grains. The mycotoxin requires epoxidation to aflatoxin B1 2,3-oxide for activation. Microsomal monooxygenases biotransform the toxin to the less toxic metabolites aflatoxin M1 and Q1.. aflatoxin B1 : An aflatoxin having a tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11.	2.11	1	0	aflatoxin; aromatic ether; aromatic ketone	carcinogenic agent; human metabolite
alpha-fluoromethylhistidine alpha-fluoromethylhistidine: RN given refers to cpd without isomeric designation	1.96	1	0
2'-deoxyaristeromycin [no description available]	2	1	0
gamma-glutamyl phosphate [no description available]	1.97	1	0	gamma-glutamyl phosphate	Escherichia coli metabolite; mouse metabolite
cholic acid Cholic Acid: A major primary bile acid produced in the liver and usually conjugated with glycine or taurine. It facilitates fat absorption and cholesterol excretion.. cholic acid : A bile acid that is 5beta-cholan-24-oic acid bearing three alpha-hydroxy substituents at position 3, 7 and 12.	1.98	1	0	12alpha-hydroxy steroid; 3alpha-hydroxy steroid; 7alpha-hydroxy steroid; bile acid; C24-steroid; trihydroxy-5beta-cholanic acid	human metabolite; mouse metabolite
deoxycholic acid Deoxycholic Acid: A bile acid formed by bacterial action from cholate. It is usually conjugated with glycine or taurine. Deoxycholic acid acts as a detergent to solubilize fats for intestinal absorption, is reabsorbed itself, and is used as a choleretic and detergent.. deoxycholic acid : A bile acid that is 5beta-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 12 respectively.	1.95	1	0	bile acid; C24-steroid; dihydroxy-5beta-cholanic acid	human blood serum metabolite
3-nitrotyrosine 3-nitrotyrosine: RN given refers to parent cpd without isomeric designation. 3-nitrotyrosine : A nitrotyrosine comprising tyrosine having a nitro group at the 3-position on the phenyl ring.	2	1	0	2-nitrophenols; C-nitro compound; nitrotyrosine; non-proteinogenic alpha-amino acid
5-hydroxymethylfurfural 5-hydroxymethylfurfural: has antisickling activity; HMF is the causative component in honey that affects the presystemic metabolism and pharmacokinetics of GZ in-vivo. 5-hydroxymethylfurfural : A member of the class of furans that is furan which is substituted at positions 2 and 5 by formyl and hydroxymethyl substituents, respectively. Virtually absent from fresh foods, it is naturally generated in sugar-containing foods during storage, and especially by drying or cooking. It is the causative component in honey that affects the presystemic metabolism and pharmacokinetics of GZ in-vivo.	1.96	1	0	arenecarbaldehyde; furans; primary alcohol	indicator; Maillard reaction product
19-hydroxy-4-androstene-3,17-dione [no description available]	1.97	1	0	17-oxo steroid; 19-hydroxy steroid; 3-oxo steroid; androstanoid	mouse metabolite
homoharringtonine Homoharringtonine: Semisynthetic derivative of harringtonine that acts as a protein synthesis inhibitor and induces APOPTOSIS in tumor cells. It is used in the treatment of MYELOID LEUKEMIA, CHRONIC.. omacetaxine mepesuccinate : A cephalotaxine-derived alkaloid ester obtained from Cephalotaxus harringtonia; used for the treatment of chronic or accelerated phase chronic myeloid leukaemia.	2	1	0	alkaloid ester; enol ether; organic heteropentacyclic compound; tertiary alcohol	anticoronaviral agent; antineoplastic agent; apoptosis inducer; protein synthesis inhibitor
illudin s [no description available]	2.06	1	0	sesquiterpenoid
n-(1-methyl)cyclopropylbenzylamine [no description available]	1.96	1	0
acylfulvene acylfulvene: an antineoplastic agent; structure given in first source; an analog of illudin	2.06	1	0
dihydropyridines Dihydropyridines: Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any position.	2.03	1	0
povidone-iodine Povidone-Iodine: An iodinated polyvinyl polymer used as topical antiseptic in surgery and for skin and mucous membrane infections, also as aerosol. The iodine may be radiolabeled for research purposes.	6.96	1	0
lithium chloride Lithium Chloride: A salt of lithium that has been used experimentally as an immunomodulator.. lithium chloride : A metal chloride salt with a Li(+) counterion.	2.74	3	0	inorganic chloride; lithium salt	antimanic drug; geroprotector
glycogen glycogen : A polydisperse, highly branched glucan composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage, joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some cumulative alpha(1->6) links also may occur. The branches in glycogen typically contain 8 to 12 glucose residues.	1.96	1	0
arabinose [no description available]	2.02	1	0	L-arabinose	Escherichia coli metabolite; mouse metabolite
n-acetylneuraminic acid N-Acetylneuraminic Acid: An N-acyl derivative of neuraminic acid. N-acetylneuraminic acid occurs in many polysaccharides, glycoproteins, and glycolipids in animals and bacteria. (From Dorland, 28th ed, p1518). N-acetylneuraminic acid : An N-acylneuraminic acid where the N-acyl group is specified as acetyl.	3.24	6	0	N-acetylneuraminic acids	antioxidant; bacterial metabolite; EC 3.2.1.18 (exo-alpha-sialidase) inhibitor; human metabolite; mouse metabolite
amylopectin Amylopectin: A highly branched glucan in starch.. amylopectin : A polydisperse highly branched polysaccharide derivative composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage. The chains are joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some 6-phosphate ester groups also may occur. The branches in amylopectin typically contain 24 to 30 glucose residues.	1.99	1	0
hexacyanoferrate iii hexacyanoferrate III: RN given refers to parent cpd	1.98	1	0
glucosamine D-glucosamine : An amino sugar whose structure comprises D-glucose having an amino substituent at position 2.. 2-amino-2-deoxy-D-glucopyranose : A D-glucosamine whose structure comprises D-glucopyranose having an amino substituent at position 2.	3.21	6	0	D-glucosamine	Escherichia coli metabolite; geroprotector; mouse metabolite
elastin [no description available]	1.96	1	0	oligopeptide
epiglucan epiglucan: a highly side-chain/branched alkali-insoluble cell wall glucan from fungus such as Epicoccum nigrum, Botrytis cinerea, ascomycetes & basidiomycetes; also isolated S-4001 from Lei Wan (polyporus mylitiae), HA-beta-glucan from mushroom Pleutotus ostreatus (Fr.) Quel., and translam from seaweed Laminaria cichorioides; with commercially important functional properties including emulsification and friction reduction.	2.11	1	0
diaminopimelic acid Diaminopimelic Acid: A diamino derivative of heptanedioic acid with amino groups at C-2 and C-6 and the general formula (COOH)CH(NH2)CH2CH2CH2CH(NH2)(COOH).. LL-2,6-diaminopimelic acid : A 2,6-diaminopimelic acid in which both chiral centres have S configuration. It is a component of bacterial cell wall.	1.97	1	0	2,6-diaminopimelic acid; amino acid zwitterion	Escherichia coli metabolite
7-dehydrocholesterol [no description available]	1.99	1	0	3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; cholestanoid; Delta(5),Delta(7)-sterol	human metabolite; mouse metabolite
cysteinylglycine cysteinylglycine: RN given refers to (L)-isomer; RN for cpd without isomeric designation not in Chemlne 7/13/83. L-cysteinylglycine : A dipeptide consisting of glycine having an L-cysteinyl attached to its alpha-amino group. It is an intermediate metabolite in glutathione metabolism.	2.68	3	0	dipeptide zwitterion; dipeptide	Escherichia coli metabolite; human metabolite; Saccharomyces cerevisiae metabolite
n-glycolylneuraminic acid N-glycolylneuraminic acid: RN given refers to (all-D)-isomer	1.99	1	0	N-acylneuraminic acid
cortodoxone Cortodoxone: 17,21-Dihydroxypregn-4-ene-3,20-dione. A 17-hydroxycorticosteroid with glucocorticoid and anti-inflammatory activities.. 11-deoxycortisol : A deoxycortisol that is cortisol in which the hydroxy group at position 11 has been replaced by a hydrogen.	1.96	1	0	deoxycortisol; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone	human metabolite; mouse metabolite
cellulase Cellulase: An endocellulase with specificity for the hydrolysis of 1,4-beta-glucosidic linkages in CELLULOSE, lichenin, and cereal beta-glucans.. beta-cellotriose : A cellotriose with a beta-configuration at the anomeric position.	2.73	3	0	cellotriose
iduronate Iduronic Acid: Component of dermatan sulfate. Differs in configuration from glucuronic acid only at the C-5 position.. iduronic acid : A member of the class of iduronic acids that is the major uronic acid component of the dermatan sulfate and heparin.. idopyranuronic acid : The pyranose form of iduronic acid.. L-idopyranuronic acid : The L-stereoisomer of idopyranuronic acid.. L-iduronic acid : Any iduronic acid having L-configuration.	2.1	1	0	idopyranuronic acid; L-iduronic acid
c(alpha)-formylglycine C(alpha)-formylglycine: An unusual amino acid residue found at active site of sulfatases. It is created through the conversion of an active site cysteine or serine residue by C(alpha)-formylglycine (FGly)-generating enzyme. Although the term formylglycine has been used in the literature to refer to C(alpha)-formylglycine it is found in most chemical sources as a synonom for N-formyglycine.. L-3-oxoalanine : The L-enantiomer of 3-oxoalanine.	2.4	2	0	3-oxoalanine; amino acid zwitterion; L-alanine derivative; non-proteinogenic L-alpha-amino acid	Escherichia coli metabolite
sodium arsenite sodium arsenite : An inoganic sodium salt with formula with formula NaAsO2.	2.1	1	0	arsenic molecular entity; inorganic sodium salt	antibacterial agent; antifungal agent; antineoplastic agent; carcinogenic agent; herbicide; insecticide; rodenticide
betadex beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds.	2.1	1	0	cyclodextrin
maleic acid maleic acid: RN given refers to parent cpd(Z)-isomer which is maleic acid; all RR's given refer to (Z)-isomer; (E)-isomer is fumaric acid. maleic acid : A butenedioic acid in which the double bond has cis- (Z)-configuration.	1.98	1	0	butenedioic acid	algal metabolite; mouse metabolite; plant metabolite
ergosterol [no description available]	1.97	1	0	3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; ergostanoid; phytosterols	fungal metabolite; Saccharomyces cerevisiae metabolite
arachidonic acid icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.. arachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid.	2.39	2	0	icosa-5,8,11,14-tetraenoic acid; long-chain fatty acid; omega-6 fatty acid	Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; human metabolite; mouse metabolite
retinol Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).	1.96	1	0	retinol; vitamin A	human metabolite; mouse metabolite; plant metabolite
pectins Pectins: High molecular weight polysaccharides present in the cell walls of all plants. Pectins cement cell walls together. They are used as emulsifiers and stabilizers in the food industry. They have been tried for a variety of therapeutic uses including as antidiarrheals, where they are now generally considered ineffective, and in the treatment of hypercholesterolemia.. alpha-D-galacturonic acid : The alpha-anomer of D-galacturonic acid.	2.69	3	0	D-galactopyranuronic acid
eicosapentaenoic acid icosapentaenoic acid : Any straight-chain, C20 polyunsaturated fatty acid having five C=C double bonds.. all-cis-5,8,11,14,17-icosapentaenoic acid : An icosapentaenoic acid having five cis-double bonds at positions 5, 8, 11, 14 and 17.	2.06	1	0	icosapentaenoic acid; omega-3 fatty acid	anticholesteremic drug; antidepressant; antineoplastic agent; Daphnia galeata metabolite; fungal metabolite; micronutrient; mouse metabolite; nutraceutical
tetragastrin Tetragastrin: L-Tryptophyl-L-methionyl-L-aspartyl-L-phenylalaninamide. The C-terminal tetrapeptide of gastrin. It is the smallest peptide fragment of gastrin which has the same physiological and pharmacological activity as gastrin.. tetragastrin : A tetrapeptide composed of L-tryptophan, L-methione, L-aspartic acid and L-phenylalaninamide residues joined in sequence.	2	1	0	peptidyl amide; tetrapeptide	anxiogenic; human metabolite
keratan sulfate Keratan Sulfate: A sulfated mucopolysaccharide initially isolated from bovine cornea. At least two types are known. Type I, found mostly in the cornea, contains D-galactose and D-glucosamine-6-O-sulfate as the repeating unit; type II, found in skeletal tissues, contains D-galactose and D-galactosamine-6-O-sulfate as the repeating unit.. keratan sulfate : A sulfated glycosaminoglycan, a linear polymer that consists of the repeating disaccharide [3)-beta-Gal-(1->4)-beta-GlcNAc-(1->] and containing sulfo groups located at random positions.. keratan 6'-sulfate : A keratan sulfate with random sulfation at the 6'-position.	2.89	4	0
neocarzinostatin chromophore neocarzinostatin chromophore: nonprotein chromophore of neocarzinostatin; antibiotic activity of Neocarzinostatin depends on wholy on chromophore interaction with DNA; Chrom A & Chrom B are separated by HPLC; Chrom C is derived from Chrom A; Chrom D is inactive minor component. neocarzinostatin chromophore : A naphthoate ester obtained by formal condensation of the carboxy group of 2-hydroxy-7-methoxy-5-methyl-1-naphthoic acid with the 5-hydroxy group of (1aS,5R,6R,6aE,9aR)-5-hydroxy-1a-[(4R)-2-oxo-1,3-dioxolan-4-yl]-2,3,8,9-tetradehydro-1a,5,6,9a-tetrahydrocyclopenta[5,6]cyclonona[1,2-b]oxiren-6-yl 2,6-dideoxy-2-(methylamino)-alpha-D-galactopyranoside. The chromophoric part of neocarzinostatin, it is tightly and non-covelently bound to a 113-membered apoprotein, which serves to protect it and release it to the target DNA.	7.37	2	0	cyclopentacyclononaoxirene; D-galactosaminide; dioxolane; monosaccharide derivative; naphthoate ester	antineoplastic agent
prostaglandin d2 Prostaglandin D2: The principal cyclooxygenase metabolite of arachidonic acid. It is released upon activation of mast cells and is also synthesized by alveolar macrophages. Among its many biological actions, the most important are its bronchoconstrictor, platelet-activating-factor-inhibitory, and cytotoxic effects.. prostaglandin D2 : A member of the class of prostaglandins D that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9 and 15 and an oxo group at position 11 (the 5Z,9alpha,13E,15S- stereoisomer).	1.98	1	0	prostaglandins D	human metabolite; mouse metabolite
potassium permanganate Potassium Permanganate: Permanganic acid (HMnO4), potassium salt. A highly oxidative, water-soluble compound with purple crystals, and a sweet taste. (From McGraw-Hill Dictionary of Scientific and Technical Information, 4th ed)	2.04	1	0
sodium bicarbonate Sodium Bicarbonate: A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions.	2.49	2	0	one-carbon compound; organic sodium salt	antacid; food anticaking agent
bromochloroacetic acid Keratins: A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION.. bromochloroacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by bromine while a second is replaced by chlorine. A low-melting (27.5-31.5degreeC), hygroscopic crystalline solid, it can be formed during the disinfection (by chlorination) of water that contains bromide ions and organic matter, so can occur in drinking water as a byproduct of the disinfection process.	2.21	1	0	2-bromocarboxylic acid; monocarboxylic acid; organochlorine compound
11-mercaptoundecanoic acid [no description available]	2.51	2	0
calix(4)arene calix(4)arene: a cyclophane consisting of four phenolic units linked by methylene groups; structure in first source	2.13	1	0
glucuronamide glucuronamide: RN given refers to cpd with unspecified isomeric designation. beta-D-glucuronamide : A monosaccharide derivative that is the carboxamide of beta-D-glucuronic acid	1.95	1	0	monocarboxylic acid amide; monosaccharide derivative
cinnamaldehyde 3-phenylprop-2-enal : A member of the class of cinnamaldehydes that is prop-2-enal in which a hydrogen at position 3 has been replaced by a phenyl group. The configuration of the double bond is not specified; the name "cinnamaldehyde" is widely used to refer to the E (trans) isomer.. (E)-cinnamaldehyde : The E (trans) stereoisomer of cinnamaldehyde, the parent of the class of cinnamaldehydes.	1.96	1	0	3-phenylprop-2-enal; cinnamaldehydes	antifungal agent; EC 4.3.1.24 (phenylalanine ammonia-lyase) inhibitor; flavouring agent; hypoglycemic agent; plant metabolite; sensitiser; vasodilator agent
glycosides [no description available]	2.9	4	0
retinaldehyde Retinaldehyde: A diterpene derived from the carotenoid VITAMIN A which functions as the active component of the visual cycle. It is the prosthetic group of RHODOPSIN (i.e., covalently bonded to ROD OPSIN as 11-cis-retinal). When stimulated by visible light, rhodopsin transforms this cis-isomer of retinal to the trans-isomer (11-trans-retinal). This transformation straightens-out the bend of the retinal molecule and causes a change in the shape of rhodopsin triggering the visual process. A series of energy-requiring enzyme-catalyzed reactions convert the 11-trans-retinal back to the cis-isomer.. all-trans-retinal : A retinal in which all four exocyclic double bonds have E- (trans-) geometry.	3.22	6	0	retinal; vitamin A	gap junctional intercellular communication inhibitor; human metabolite; mouse metabolite
flavin-adenine dinucleotide Flavin-Adenine Dinucleotide: A condensation product of riboflavin and adenosine diphosphate. The coenzyme of various aerobic dehydrogenases, e.g., D-amino acid oxidase and L-amino acid oxidase. (Lehninger, Principles of Biochemistry, 1982, p972)	2.68	3	0	flavin adenine dinucleotide; vitamin B2	cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; prosthetic group
pyrophosphate Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups.	2	1	0	diphosphate ion
sodium metabisulfite sodium metabisulfite: request from searcher; RN given refers to disulfurous acid, di-Na salt. sodium disulfite : An inorganic sodium salt composed of sodium and disulfite ions in a 2:1 ratio.	2	1	0	inorganic sodium salt	food antioxidant
sesquiterpenes [no description available]	2.42	2	0
2-mercaptonicotinic acid 2-mercaptonicotinic acid: structure given in first source	2.21	1	0
captax captax: RN given refers to parent cpd. 1,3-benzothiazole-2-thiol : 1,3-Benzothiazole substituted at the 2-position with a sulfanyl group.	2.05	1	0	aryl thiol; benzothiazoles	carcinogenic agent; metabolite
methimazole Methimazole: A thioureylene antithyroid agent that inhibits the formation of thyroid hormones by interfering with the incorporation of iodine into tyrosyl residues of thyroglobulin. This is done by interfering with the oxidation of iodide ion and iodotyrosyl groups through inhibition of the peroxidase enzyme.. methimazole : A member of the class of imidazoles that it imidazole-2-thione in which a methyl group replaces the hydrogen which is attached to a nitrogen.	2.02	1	0	1,3-dihydroimidazole-2-thiones	antithyroid drug
chlorogenic acid caffeoylquinic acid: Antiviral Agent; structure in first source. chlorogenate : A monocarboxylic acid anion that is the conjugate base of chlorogenic acid; major species at pH 7.3.	1.99	1	0	cinnamate ester; tannin	food component; plant metabolite
thiobarbituric acid thiobarbituric acid: RN given refers to parent cpd. 2-thiobarbituric acid : A barbiturate, the structure of which is that of barbituric acid in which the oxygen at C-2 is replaced by sulfur.	2.37	2	0	barbiturates	allergen; reagent
thiourea Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur.	2.49	2	0	one-carbon compound; thioureas; ureas	antioxidant; chromophore
indigo carmine Indigo Carmine: Indolesulfonic acid used as a dye in renal function testing for the detection of nitrates and chlorates, and in the testing of milk.. indigo carmine : An organic sodium salt resulting from the formal condensation of indigo carmine (acid form) with two equivalents of sodium hydroxide. It is an indicator at pH 11.5-14, changing from blue to yellow.	1.98	1	0
D-fructopyranose [no description available]	2.41	2	0	cyclic hemiketal; D-fructose; fructopyranose	sweetening agent
thiocarbohydrazide [no description available]	1.96	1	0	thiocarbonyl compound
1,6-anhydro-beta-glucopyranose 1,6-anhydro-beta-glucopyranose: RN given refers to (beta-D)-isomer. levoglucosan : A anhydrohexose that is the 1,6-anhydro-derivative of beta-D-glucopyranose.	2.02	1	0	anhydrohexose	Arabidopsis thaliana metabolite; biomarker; human metabolite
1-butyl-3-methylimidazolium hexafluorophosphate 1-butyl-3-methylimidazolium hexafluorophosphate: structure in first source	2.05	1	0
nadp [no description available]	3.49	8	0
galactal galactal: RN given refers to cpd with unspecified isomeric designation; structure	2.08	1	0	anhydrohexose; glycal
1,1-diphenyl-2-picrylhydrazyl 1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974)	2.1	1	0
laccase Laccase: A copper-containing oxidoreductase enzyme that catalyzes the oxidation of 4-benzenediol to 4-benzosemiquinone. It also has activity towards a variety of O-quinols and P-quinols. It primarily found in FUNGI and is involved in LIGNIN degradation, pigment biosynthesis and detoxification of lignin-derived products.	2.07	1	0
alpha-sarcin alpha-sarcin: basic protein 150 aa, MW 16 kDa; isolated from aspergillus giganteus; sequence similarity with ribonucleases such as RIBONUCLEASE T1; 85% identity with restrictocin; a ribotoxin cleaving the phosphodiester bond on the 3' side of G4325 in the alpha-sarcin/ricin domain of rat 28S RIBOSOMAL RNA; sometimes called a ribosome-inactivating protein but falls outside the normal definition of plant RIP that de-adenylate rRNA	1.99	1	0
dermatan sulfate Dermatan Sulfate: A naturally occurring glycosaminoglycan found mostly in the skin and in connective tissue. It differs from CHONDROITIN SULFATE A (see CHONDROITIN SULFATES) by containing IDURONIC ACID in place of glucuronic acid, its epimer, at carbon atom 5. (from Merck, 12th ed). alpha-L-IdopA-(1->3)-beta-D-GalpNAc4S : An oligosaccharide sulfate that is 2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranose in which the hydroxy group at position 3 has been converted to the corresponding alpha-L-idopyranuronoside.. dermatan sulfate : Any of a group of glycosaminoglycans with repeating units consisting of variously sulfated beta1->4-linked L-iduronyl-(alpha1->3)-N-acetyl-D-galactosamine units.	3.07	5	0	amino disaccharide; glycosylgalactose derivative; iduronic acids; oligosaccharide sulfate
nsc 290205 NSC 290205: homo-aza-steroidal ester of p-bis(2-chloroethyl) amino phenyl acetic acid; RN given refers to (3beta,5alpha)-isomer; structure	1.96	1	0
2-((4-bromo-2,3-dioxobutyl)thio)-1,n(6)-ethenoadenosine 2',5'-bisphosphate 2-((4-bromo-2,3-dioxobutyl)thio)-1,N(6)-ethenoadenosine 2',5'-bisphosphate: structure given in first source	1.97	1	0
cystine [no description available]	2.38	2	0
o(2',3')-(2,4,6-trinitrophenyl)-8-azidoadenosine triphosphate O(2',3')-(2,4,6-trinitrophenyl)-8-azidoadenosine triphosphate: affinity probe for the Ca+-ATPase of sarcoplasmic reticulum	1.98	1	0
mitosene mitosene: structure given in first source	1.98	1	0
3-deoxyhexulose 3-deoxyhexulose: interacts with the enzymes of fructose metabolism; structure given in first source; RN given refers to (D)-isomer; RN for cpd without isomeric designation not avail 5/91. 3-deoxy-keto-D-fructose : A deoxyketohexose that is keto-D-fructose that is lacking the hydroxy group at position 3. A metabolite of 3-deoxyglucosone, a dicarbonyl sugar synthesised through the Maillard reaction.	1.98	1	0	alpha-hydroxy ketone; beta-hydroxy ketone; deoxyketohexose; hexanone
calixarenes Calixarenes: Phenolic metacyclophanes derived from condensation of PHENOLS and ALDEHYDES. The name derives from the vase-like molecular structures. A bracketed [n] indicates the number of aromatic rings.. calixarenes : Originally macrocyclic compounds capable of assuming a basket (or "calix") shaped conformation. They are formed from p-hydrocarbyl phenols and formaldehyde. The term now applies to a variety of derivatives by substitution of the hydrocarbon cyclo{oligo[(1,3-phenylene)methylene]}.. calixarene : A macrocycle composed of 1,3-phenylene groups linked by methylene groups. The number of 1,3-phenylene units in the macrocycle is denoted by the "n" in calix[n]arene name.	2.13	1	0
anthraquinone sulfonate anthraquinone sulfonate: RN given refers to cpd with unspecified acid locant	2.1	1	0
sodium dodecyl sulfate Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate.	2.38	2	0	organic sodium salt	detergent; protein denaturant
crocin crocin: a free radical scavenger	2	1	0
2,4-dinitrophenylhydrazine 2,4-dinitrophenylhydrazine: structure. 2,4-dinitrophenylhydrazine : A C-nitro compound that is phenylhydrazine substituted at the 2- and 4-positions by nitro groups.	2.69	3	0	C-nitro compound; phenylhydrazines	reagent
alpha-chymotrypsin Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side.	3.21	6	0
2',3'-dialdehyde atp 2',3'-dialdehyde ATP: RN given refers to (R-(R,R))-isomer; OATP also stands for organic anion-transporting polypeptides	1.98	1	0
myelin basic protein Myelin Basic Protein: An abundant cytosolic protein that plays a critical role in the structure of multilamellar myelin. Myelin basic protein binds to the cytosolic sides of myelin cell membranes and causes a tight adhesion between opposing cell membranes.	1.96	1	0
2-mercaptoacetate 2-mercaptoacetate: RN given refers to parent cpd	2.57	2	0	monocarboxylic acid anion
bilirubin [no description available]	1.97	1	0	biladienes; dicarboxylic acid	antioxidant; human metabolite; mouse metabolite
dinoprostone prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins.	2.37	2	0	prostaglandins E	human metabolite; mouse metabolite; oxytocic
dinoprost Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions.. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor.	2.37	2	0	monocarboxylic acid; prostaglandins Falpha	human metabolite; mouse metabolite
linoleic acid Linoleic Acid: A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed). linoleic acid : An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry.	2.03	1	0	octadecadienoic acid; omega-6 fatty acid	algal metabolite; Daphnia galeata metabolite; plant metabolite
beta carotene beta Carotene: A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).. provitamin A : A provitamin that can be converted into vitamin A by enzymes from animal tissues.	1.98	1	0	carotenoid beta-end derivative; cyclic carotene	antioxidant; biological pigment; cofactor; ferroptosis inhibitor; human metabolite; mouse metabolite; plant metabolite; provitamin A
11-cis-retinal Rhodopsin: A purplish-red, light-sensitive pigment found in RETINAL ROD CELLS of most vertebrates. It is a complex consisting of a molecule of ROD OPSIN and a molecule of 11-cis retinal (RETINALDEHYDE). Rhodopsin exhibits peak absorption wavelength at about 500 nm.. 11-cis-retinal : A retinal having 2E,4Z,6E,8E-double bond geometry.	3.06	5	0	retinal	chromophore; human metabolite; mouse metabolite
vitamin k1 oxide vitamin K1 oxide: RN given refers to parent cpd; see also record for 2,3-epoxymenaquinone	1.97	1	0
jasmonic acid jasmonic acid: a derivative of alpha-linolenic acid that has a role in plant response to herbivory analogous to the role of prostanoids in inflammation in mammals;. jasmonic acid : An oxo monocarboxylic acid that is (3-oxocyclopentyl)acetic acid substituted by a (2Z)-pent-2-en-1-yl group at position 2 of the cyclopentane ring.	2.05	1	0	oxo monocarboxylic acid	jasmonates; plant metabolite
zearalenone Zearalenone: (S-(E))-3,4,5,6,8,10-Hexahydro-14,16-dihydroxy-3-methyl-1H-2-benzoxacyclotetradecin-1,7(8H)-dione. One of a group of compounds known under the general designation of resorcylic acid lactones. Cis, trans, dextro and levo forms have been isolated from the fungus Gibberella zeae (formerly Fusarium graminearum). They have estrogenic activity, cause toxicity in livestock as feed contaminant, and have been used as anabolic or estrogen substitutes.. zearalenone : A macrolide comprising a fourteen-membered lactone fused to 1,3-dihydroxybenzene; a potent estrogenic metabolite produced by some Giberella species.	1.96	1	0	macrolide; resorcinols	fungal metabolite; mycoestrogen
rutamycin Rutamycin: A macrolide antibiotic of the oligomycin group, obtained from Streptomyces rutgersensis. It is used in cytochemistry as a tool to inhibit various ATPases and to uncouple oxidative phosphorylation from electron transport and also clinically as an antifungal agent.. oligomycin D : An oligomycin with formula C44H72O11 that is oligomycin A in which the methyl substituent adjacent to the spirocyclic centre has been replaced by a hydrogen.	1.96	1	0
zinostatin Zinostatin: An enediyne that alkylates DNA and RNA like MITOMYCIN does, so it is cytotoxic.	2.66	3	0
9-hydroxy-10,12-octadecadienoic acid 9-hydroxy-10,12-octadecadienoic acid: RN given refers to unspecified stereoisomer. 9-HODE : A HODE that consists of (10E,12Z)-octadecadienoic acid with the hydroxy substituent located at position 9.	2.41	2	0	HODE; octadecadienoic acid	human metabolite; metabolite; mouse metabolite; plant metabolite
13-hydroxy-9,11-octadecadienoic acid 13-hydroxy-9,11-octadecadienoic acid: chemorepellant factor which maintains blood vessel wall thromboresistance; RN given refers to unspecified stereoisomer	2.41	2	0	octadecadienoic acid
arachidonic acid 5-hydroperoxide arachidonic acid 5-hydroperoxide: 5-HPETE is used inconsistently in literature as syn for cpds with various tetraene locants; RN given refers to (6,8,11,14)-isomer; RN in CA Vol 91 Form Index for (E,Z,Z,Z)-isomer: 70968-82-0; RN for (5,8,11,13)-isomer: 71133-12-5; in Merck, arachidonic acid is the (5,8,11,14)-isomer. 5-HPETE : A HPETE that consists of (6E,8Z,11Z,14Z)-icosatetraenoic acid in which the hydroperoxy group is located at position 5.	1.98	1	0	HPETE	human xenobiotic metabolite
muconaldehyde muconaldehyde: potential toxic intermediate in benzene metabolism; structure given in first source	2	1	0	fatty aldehyde
4-hydroxy-2-nonenal 4-hydroxy-2-nonenal: cytotoxic product from peroxidation of liver microsomal lipids; RN given refers to cpd without isomeric designation. 4-hydroxynon-2-enal : An enal consisting of non-2-ene having an oxo group at the 1-position and a hydroxy group at the 4-position.. 4-hydroxynonenal : A monounsaturated fatty aldehyde that is nonanal that has undergone dehydrogenation to introduce a double bond at any position in the aliphatic chain and in which a hydrogen at position 4 has been replaced by a hydroxy group.	2.71	3	0	4-hydroxynon-2-enal; 4-hydroxynonenal
vitamin k 1 Vitamin K 1: A family of phylloquinones that contains a ring of 2-methyl-1,4-naphthoquinone and an isoprenoid side chain. Members of this group of vitamin K 1 have only one double bond on the proximal isoprene unit. Rich sources of vitamin K 1 include green plants, algae, and photosynthetic bacteria. Vitamin K1 has antihemorrhagic and prothrombogenic activity.. phylloquinone : A member of the class of phylloquinones that consists of 1,4-naphthoquinone having methyl and phytyl groups at positions 2 and 3 respectively. The parent of the class of phylloquinones.	1.97	1	0	phylloquinones; vitamin K	cofactor; human metabolite; plant metabolite
cytochalasin b Cytochalasin B: A cytotoxic member of the CYTOCHALASINS.. cytochalasin B : An organic heterotricyclic compound, that is a mycotoxin which is cell permeable an an inhibitor of cytoplasmic division by blocking the formation of contractile microfilaments.	2.37	2	0	cytochalasin; lactam; lactone; organic heterotricyclic compound	actin polymerisation inhibitor; metabolite; mycotoxin; platelet aggregation inhibitor
biliverdine [no description available]	1.97	1	0
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.	3.3	6	0	carbon group element atom; elemental lead; metal atom	neurotoxin
tin [no description available]	2.41	2	0	carbon group element atom; elemental tin; metal atom	micronutrient
antimony Antimony: A metallic element that has the atomic symbol Sb, atomic number 51, and atomic weight 121.75. It is used as a metal alloy and as medicinal and poisonous salts. It is toxic and an irritant to the skin and the mucous membranes.	2.08	1	0	metalloid atom; pnictogen
cesium Cesium: A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency.	2.39	2	0	alkali metal atom
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98.	2.07	1	0	boron group element atom; elemental aluminium; metal atom
bismuth Bismuth: A metallic element that has the atomic symbol Bi, and atomic number 83. Its principal isotope is Bismuth 209.	2.94	4	0	metal atom; pnictogen
arsenic Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed)	5.26	16	0	metalloid atom; pnictogen	micronutrient
sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine.	2.76	3	0	chalcogen; nonmetal atom	macronutrient
catharanthine [no description available]	2.05	1	0	alkaloid ester; bridged compound; methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound; tertiary amino compound
deoxyribose [no description available]	2.02	1	0	deoxypentose	human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
phycocyanobilin phycocyanobilin: tetrapyrrole prosthetic group of phycocyanin protein. phycocyanobilin : A bilin that consists of 8,12-bis(2-carboxyethyl)-18-ethyl-3-ethylidene-2,7,13,17-tetramethyl-2,3-dihydrobilin bearing two oxo substituents at positions 1 and 19.	2	1	0
beryllium Beryllium: An element with the atomic symbol Be, atomic number 4, and atomic weight 9.01218. Short exposure to this element can lead to a type of poisoning known as BERYLLIOSIS.. beryllium atom : Alkaline earth metal atom with atomic number 4.	2.01	1	0	alkaline earth metal atom; elemental beryllium; metal allergen	adjuvant; carcinogenic agent; epitope
cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3.	6.09	23	0	cysteinium	fundamental metabolite
phosphorus Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions.	2.06	1	0	monoatomic phosphorus; nonmetal atom; pnictogen	macronutrient
boron Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY.	3.05	5	0	boron group element atom; metalloid atom; nonmetal atom	micronutrient
4,4'-diisothiocyanostilbene-2,2'-disulfonic acid 4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid: An inhibitor of anion conductance including band 3-mediated anion transport.	1.98	1	0
germanium Germanium: A rare metal element with a blue-gray appearance and atomic symbol Ge, atomic number 32, and atomic weight 72.63.	2.46	2	0	carbon group element atom; metalloid atom; nonmetal atom
selenium Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE.	3.86	12	0	chalcogen; nonmetal atom	micronutrient
selenocysteine Selenocysteine: A naturally occurring amino acid in both eukaryotic and prokaryotic organisms. It is found in tRNAs and in the catalytic site of some enzymes. The genes for glutathione peroxidase and formate dehydrogenase contain the TGA codon, which codes for this amino acid.. selenocysteine : An alpha-amino acid that consists of alanine where one of the methyl hydrogens is substituted with a seleno group.	1.96	1	0
methaneselenol methaneselenol: RN given refers to (75)Se-labeled cpd. methylselenol : An organoselenium compound that is a selenium analogue of methanol, comprising a methyl group covalently bound to a selenol group.	2.05	1	0
tellurium Tellurium: An element that is a member of the chalcogen family. It has the atomic symbol Te, atomic number 52, and atomic weight 127.60. It has been used as a coloring agent and in the manufacture of electrical equipment. Exposure may cause nausea, vomiting, and CNS depression.	2.76	3	0	chalcogen; metalloid atom
oxalates Oxalates: Derivatives of OXALIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that are derived from the ethanedioic acid structure.	2.25	1	0
technetium tc 99m stannous pyrophosphate [no description available]	1.96	1	0
hygromycin a hygromycin A: a cinnamide derivative produced by Streptomyces hygroscopicus; structure differs from HYGROMYCIN B	2	1	0	hydroxycinnamic acid	metabolite
24,25-dihydroxyvitamin d 3 24,25-Dihydroxyvitamin D 3: A physiologically active metabolite of VITAMIN D. The compound is involved in the regulation of calcium metabolism, alkaline phosphatase activity, and enhancing the calcemic effect of CALCITRIOL.	1.97	1	0
15-hydroperoxy-5,8,11,13-eicosatetraenoic acid 15-hydroperoxy-5,8,11,13-eicosatetraenoic acid: RN given refers to cpd without isomeric designation; (S-(E,Z,Z,Z))-isomer caused dose-dependent constriction of cat coronary arteries; structure in first source. 15-HPETE : A HPETE that consists of (5Z,8Z,11Z,13E)-icosatetraenoic acid in which the hydroperoxy group is located at position 15.	1.98	1	0	HPETE	human xenobiotic metabolite
1-o-hexadecyl-2-arachidonyl-sn-glycero-3-phosphocholine 1-O-hexadecyl-2-arachidonyl-sn-glycero-3-phosphocholine: RN given refers to (all-Z)-isomer	2.4	2	0
2-(4-amylcinnamoyl)amino-4-chlorobenzoic acid 2-(4-amylcinnamoyl)amino-4-chlorobenzoic acid: phospholipase A2 inhibitor	1.98	1	0
17-hydroxy-4,7,10,13,15,19-docosahexaenoic acid 17-hydroxy-4,7,10,13,15,19-docosahexaenoic acid: RN given refers to (E,Z,Z,Z,Z,Z)-isomer; RN for cpd without isomeric designation not avail 3/90. (4Z,7Z,10Z,13Z,15E,19Z)-17-hydroxydocosahexaenoic acid : A hydroxydocosahexaenoic acid that consists of 4Z,7Z,10Z,13Z,15E,19Z-docosahexaenoic acid bearing an additional 17-hydroxy substituent.	2.13	1	0	hydroxydocosahexaenoic acid; secondary allylic alcohol	human xenobiotic metabolite
2-(amino)oleic acid 2-(amino)oleic acid: inhibits the calcification of glutaraldehyde-pretreated porcine bioprosthetic heart valves	1.98	1	0
4-oxo-2-nonenal 4-oxo-2-nonenal: reacts with 2'-deoxyguanosine; a product of lipid peroxidation; structure in first source. (E)-4-oxonon-2-enal : The enal that is (E)-non-2-enal substituted with an oxo group at C-4.	2.72	3	0	enal; enone	human metabolite
ganglioside, gd1b [no description available]	1.98	1	0
technetium tc 99m pyrophosphate Technetium Tc 99m Pyrophosphate: A radionuclide imaging agent used primarily in scintigraphy or tomography of the heart to evaluate the extent of the necrotic myocardial process. It has also been used in noninvasive tests for the distribution of organ involvement in different types of amyloidosis and for the evaluation of muscle necrosis in the extremities.	1.96	1	0
beta-escin [no description available]	2.38	2	0
s-nitroso-n-acetylpenicillamine S-Nitroso-N-Acetylpenicillamine: A sulfur-containing alkyl thionitrite that is one of the NITRIC OXIDE DONORS.	1.99	1	0	nitroso compound; nitrosothio compound	nitric oxide donor; vasodilator agent
cholanic acid cholanic acid: RN given refers to parent cpd without isomer designation. cholanic acid : A steroid acid that consists of cholane having a carboxy group in place of the methyl group at position 24.. colanic acid : A polyanionic heteropolysaccharide containing a repeat unit with D-glucose, L-fucose, D-galactose, and D-glucuronic acid sugars that are non-stoichiometrically decorated with O-acetyl and pyruvate side-chains	2.38	2	0	cholanic acids
ferrihydrite ferric oxyhydroxide: an antiferromagnetic material; constitutes the core of natural ferritin; mol form 5Fe2O3.9H2O	2.02	1	0
fructosyl-lysine fructosyllysine : A glyco-amino acid consisting of a D-fructosyl residue attached to the epsilon-amino group of L-lysine.	2.4	2	0	fructosamine; glyco-amino acid	Escherichia coli metabolite
mocetinostat mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11).	2.67	3	0	aminopyrimidine; benzamides; pyridines; secondary amino compound; secondary carboxamide; substituted aniline	antineoplastic agent; apoptosis inducer; autophagy inducer; cardioprotective agent; EC 3.5.1.98 (histone deacetylase) inhibitor; hepatotoxic agent
zeolites [no description available]	2.06	1	0
tetramethylrhodamine tetramethylrhodamine: RN given refers to perchlorate; structure	1.99	1	0	xanthene dye
g(m1) ganglioside G(M1) Ganglioside: A specific monosialoganglioside that accumulates abnormally within the nervous system due to a deficiency of GM1-b-galactosidase, resulting in GM1 gangliosidosis.. ganglioside GM1 : A sialotetraosylceramide consisting of a branched pentasaccharide made up from one sialyl residue, two galactose residues, one N-acetylgalactosamine residue and a glucose residue at the reducing end attached to N-stearoylsphingosine via a beta-linkage.	2.88	4	0	alpha-N-acetylneuraminosyl-(2->3)-[beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine; sialotetraosylceramide
aluminum oxide Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories.	2.55	2	0
ribose ribopyranose : The pyranose form of ribose.	2	1	0	D-ribose; ribopyranose
bde 207 2,2',3,3',4,4',5,6,6'-nonabromodiphenyl ether: structure in first source	2.06	1	0
erinacerin a erinacerin A: aromatic compound from Hericium erinaceum; structure in first source	2.02	1	0
n-acetylmannosamine N-acetylmannosamine: RN given refers to cpd without isomeric designation. N-acetylmannosamine : Any mannosamine carrying an N-acetyl substituent	1.97	1	0
calcimycin Calcimycin: An ionophorous, polyether antibiotic from Streptomyces chartreusensis. It binds and transports CALCIUM and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems.	1.98	1	0	benzoxazole
sepharose agarose : A linear polysaccharide made up from alternating D-galactose and 3,6-anhydro-alpha-L-galactopyranose residues joined by alpha-(1->3)- and beta-(1->4)-linkages.	3.08	5	0
vindoline [no description available]	2.05	1	0
apis apiose: RN given refers to (D)-isomer; structure	2	1	0	carbohydrate
5-azido-2'-deoxyuridine 5'-triphosphate 5-azido-2'-deoxyuridine 5'-triphosphate: tool for the enzymatic synthesis of photoactive DNA; structure given in first source	2.02	1	0
7-n-(4-hydroxyphenyl)mitomycin c [no description available]	1.96	1	0
bde 208 2,2',3,3',4,5,5',6,6'-nonabromodiphenyl ether: structure in first source	2.06	1	0
cysteinyldopa Cysteinyldopa: Found in large amounts in the plasma and urine of patients with malignant melanoma. It is therefore used in the diagnosis of melanoma and for the detection of postoperative metastases. Cysteinyldopa is believed to be formed by the rapid enzymatic hydrolysis of 5-S-glutathionedopa found in melanin-producing cells.	1.99	1	0	catecholamine; zwitterion
deoxoartemisinin deoxoartemisinin: structure given in first source	1.99	1	0
furosine [no description available]	2.38	2	0	alpha-amino acid
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety.	3.77	11	0	organophosphate oxoanion	cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite
desmosine Desmosine: A rare amino acid found in elastin, formed by condensation of four molecules of lysine into a pyridinium ring.	1.98	1	0	aromatic amino acid
cytochrome c-t Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV.	2.07	1	0
tannins Tannins: Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing.	2.08	1	0
oligonucleotides [no description available]	3.14	5	0
cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications.	3.94	12	0	glycoside
sodium borate borax: see also sodium borate. borax : A hydrate that is the decahydrate form of disodium tetraborate.	2.1	1	0
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety.	1.98	1	0	1,2-diacyl-sn-glycero-3-phosphocholine
chlorophyll a Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain.	1.99	1	0	chlorophyll; methyl ester	cofactor
bis(tri-n-butyltin)oxide bis(tri-n-butyltin)oxide: RN given refers to parent cpd; RN in Chemline for tributylin: 688-73-3	2	1	0	inorganic molecular entity
sodium cyanoborohydride sodium cyanoborohydride: reagent for preparing biologically active nitroxides	8.09	5	0
chitosan [no description available]	8.97	12	0
invert sugar invert sugar: mixture of approx 50% dextrose & 50% levulose obtained by acid hydrolysis of cane sugar	2.03	1	0
potassium borohydride [no description available]	2.06	1	0
1-palmitoyl-2-(5-oxovaleroyl)-sn-glycero-3-phosphorylcholine 1-O-palmitoyl-2-O-(5-oxovaleryl)-sn-glycero-3-phosphocholine : A 1,2-diacyl-sn-glycero-3-phosphocholine having palmitoyl and 5-oxovaleryl groups at the 1- and 2-positions respectively; major species at pH 7.3.	2	1	0	1,2-diacyl-sn-glycero-3-phosphocholine; aldehyde	apoptosis inducer
lithium perchlorate lithium perchlorate: stabilizes DNA-polycation complex; RN given refers to parent compound	1.98	1	0
sodium hypochlorite Sodium Hypochlorite: It is used as an oxidizing and bleaching agent and as a disinfectant. (From Grant & Hackh's Chemical Dictionary, 5th ed). sodium hypochlorite : An inorganic sodium salt in which hypochlorite is the counterion. It is used as a bleaching and disinfecting agent and is commonly found in household bleach.	2.08	1	0	inorganic sodium salt	bleaching agent; disinfectant
methyl orange methyl orange: indictor of pH with strong acids & bases; also used as reagent to form ion pairs with, and thereby isolate, certain compounds from biological material; minor descriptor (75-86); on-line & INDEX MEDICUS search AZO COMPOUNDS (75-86); file maintained to Azo cpds	2.31	1	0
sodium iodate sodium iodate: RN given refers to iodic acid, Na salt	1.96	1	0	organic molecular entity
sodium tetraethylborate [no description available]	2.04	1	0
sodium pertechnetate tc 99m Sodium Pertechnetate Tc 99m: A gamma-emitting radionuclide imaging agent used for the diagnosis of diseases in many tissues, particularly in the gastrointestinal system, cardiovascular and cerebral circulation, brain, thyroid, and joints.	2.06	1	0
hygromycin b [no description available]	2	1	0
mannans [no description available]	2.48	2	0
glycolipids [no description available]	3.35	7	0
piperidines Piperidines: A family of hexahydropyridines.	2	1	0
thymosin Thymosin: Thymosin. A family of heat-stable, polypeptide hormones secreted by the thymus gland. Their biological activities include lymphocytopoiesis, restoration of immunological competence and enhancement of expression of T-cell characteristics and function. They have therapeutic potential in patients having primary or secondary immunodeficiency diseases, cancer or diseases related to aging.	2.4	2	0
1-palmitoyl-2-glutaroyl-sn-glycero-3-phosphorylcholine 2-O-glutaroyl-1-O-palmitoyl-sn-glycero-3-phosphocholine : A 1,2-diacyl-sn-glycero-3-phosphocholine having palmitoyl and glutaroyl groups at positions 1 and 2 respectively.	2	1	0	1,2-diacyl-sn-glycero-3-phosphocholine
chymostatin [no description available]	1.96	1	0
fructose-1,6-diphosphate fructose-1,6-diphosphate: RN refers to (D)-isomer	1.99	1	0
salinixanthin salinixanthin: from Salinibacter ruber, an extremely halophilic eubacterium; structure in first source	2.05	1	0
heme Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron.	2.06	1	0
chondroitin Chondroitin: A mucopolysaccharide constituent of chondrin. (Grant & Hackh's Chemical Dictionary, 5th ed)	2.37	2	0
heparitin sulfate Heparitin Sulfate: A heteropolysaccharide that is similar in structure to HEPARIN. It accumulates in individuals with MUCOPOLYSACCHARIDOSIS.	2.69	3	0
lanthanide nitrate [no description available]	2.1	1	0
ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms.	3.81	11	0	ascorbic acid; vitamin C	coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent
tetracycline Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria.	6.94	1	0
salicylates Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid.	1.99	1	0	monohydroxybenzoate	plant metabolite
warfarin Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group.	2.47	2	0	benzenes; hydroxycoumarin; methyl ketone
toxin ii (anemonia sulcata) toxin II (Anemonia sulcata): toxic polypeptide closely related to anthopleurin A with potent cardiac stimulant activity from Anemonia sulcata; do not confuse with altertoxin II which is also abbreviated ATX II	1.96	1	0
caseins Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones.	3.06	1	0
histidinohydroxylysinonorleucine histidinohydroxylysinonorleucine: major cross-link of skin collagen in patients with amyotrophic lateral sclerosis	1.98	1	0
oligomycins Oligomycins: A closely related group of toxic substances elaborated by various strains of Streptomyces. They are 26-membered macrolides with lactone moieties and double bonds and inhibit various ATPases, causing uncoupling of phosphorylation from mitochondrial respiration. Used as tools in cytochemistry. Some specific oligomycins are RUTAMYCIN, peliomycin, and botrycidin (formerly venturicidin X).	1.96	1	0
phthalocyanine phthalocyanine : A tetrapyrrole fundamental parent that consists of four isoindole-type units, with the connecting carbon atoms in the macrocycle replaced by nitrogen.	7.05	1	0	phthalocyanines; tetrapyrrole fundamental parent
nitrophenols Nitrophenols: PHENOLS carrying nitro group substituents.	4.76	28	0
hyaluronoglucosaminidase Hyaluronoglucosaminidase: An enzyme that catalyzes the random hydrolysis of 1,4-linkages between N-acetyl-beta-D-glucosamine and D-glucuronate residues in hyaluronate. (From Enzyme Nomenclature, 1992) There has been use as ANTINEOPLASTIC AGENTS to limit NEOPLASM METASTASIS.	2.06	1	0
vitamin b 12 Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12.	1.97	1	0
lactoferrin Lactoferrin: An iron-binding protein that was originally characterized as a milk protein. It is widely distributed in secretory fluids and is found in the neutrophilic granules of LEUKOCYTES. The N-terminal part of lactoferrin possesses a serine protease which functions to inactivate the TYPE III SECRETION SYSTEM used by bacteria to export virulence proteins for host cell invasion.	1.98	1	0
phenanthroindolizidine phenanthroindolizidine: structure in first source	2.13	1	0
phenanthroquinolizidine phenanthroquinolizidine: structure in first source	2.13	1	0
orabase Orabase: used in therapy of oral mucosal ulcers	2.1	1	0
technetium tc 99m medronate Technetium Tc 99m Medronate: A gamma-emitting radionuclide imaging agent used primarily in skeletal scintigraphy. Because of its absorption by a variety of tumors, it is useful for the detection of neoplasms.	2.36	2	0
muramidase Muramidase: A basic enzyme that is present in saliva, tears, egg white, and many animal fluids. It functions as an antibacterial agent. The enzyme catalyzes the hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. EC 3.2.1.17.	2.69	3	0
amyloid beta-peptides amyloid beta-protein (1-40): although acutely neurotoxic in both rat & monkey cerebral cortex, neuronal degeneration in primates resembles more closely to that found in Alzheimer's disease; amino acid sequence has been determined	2.01	1	0
chondroitin sulfates Chondroitin Sulfates: Derivatives of chondroitin which have a sulfate moiety esterified to the galactosamine moiety of chondroitin. Chondroitin sulfate A, or chondroitin 4-sulfate, and chondroitin sulfate C, or chondroitin 6-sulfate, have the sulfate esterified in the 4- and 6-positions, respectively. Chondroitin sulfate B (beta heparin; DERMATAN SULFATE) is a misnomer and this compound is not a true chondroitin sulfate.	3.07	5	0
ganglio-n-triaosylceramide ganglio-N-triaosylceramide: tumor associated marker for L5178 cells	1.96	1	0
deoxyguanosine [no description available]	3.26	6	0	purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside	Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
guanosine triphosphate Guanosine Triphosphate: Guanosine 5'-(tetrahydrogen triphosphate). A guanine nucleotide containing three phosphate groups esterified to the sugar moiety.	1.99	1	0	guanosine 5'-phosphate; purine ribonucleoside 5'-triphosphate	Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor
guanine [no description available]	8.49	8	0	2-aminopurines; oxopurine; purine nucleobase	algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite
folic acid folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin.	1.97	1	0	folic acids; N-acyl-amino acid	human metabolite; mouse metabolite; nutrient
7-methylguanine 7-methylguanine: RN given refers to unlabeled cpd; structure. 7-methylguanine : A methylguanine that is guanine substituted by a methyl group at position 7. It is a metabolite obtained during the methylation of DNA.. 2-imino-7-methyl-1,2,3,7-tetrahydro-6H-purin-6-one : A 7-methylguanine that is 1,2,3,7-tetrahydro-6H-purin-6-one substituted by an imino group at position 2 and a methyl group at position 7.. 2-amino-7-methyl-7H-purin-6-ol : A 7-methylguanine that is 7H-purine substituted by an amino group at position 2, a methyl group at position 7 and a hydroxy group at position 6.. 2-amino-7-methyl-1,7-dihydro-6H-purin-6-one : A 7-methylguanine that is 1,7-dihydro-6H-purin-6-one substituted by an amino group at position 2 and a methyl group at position 7.	2.37	2	0	7-methylguanine
pheophytin a pheophytin a: structure given in first source; RN given refers to (3S-(3alpha(2E,7S,11S),4beta,21beta))-isomer	1.99	1	0
rifampin Rifampin: A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160)	2	1	0	cyclic ketal; hydrazone; N-iminopiperazine; N-methylpiperazine; rifamycins; semisynthetic derivative; zwitterion	angiogenesis inhibitor; antiamoebic agent; antineoplastic agent; antitubercular agent; DNA synthesis inhibitor; EC 2.7.7.6 (RNA polymerase) inhibitor; Escherichia coli metabolite; geroprotector; leprostatic drug; neuroprotective agent; pregnane X receptor agonist; protein synthesis inhibitor
dacarbazine (E)-dacarbazine : A dacarbazine in which the N=N double bond adopts a trans-configuration.	3.48	1	1	dacarbazine
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring.	2.39	2	0	nucleobase analogue; organic heterobicyclic compound	antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger
cytarabine Guanosine Diphosphate Fucose: A nucleoside diphosphate sugar formed from GDPmannose, which provides fucose for lipopolysaccharides of bacterial cell walls, and for blood group substances and other glycoproteins.	2.39	2	0	GDP-fucose
8-hydroxyguanine 7,8-dihydro-8-oxoguanine: was substituted for guanine at G(8), G(9), G(14), or G(15) in the human telomeric oligonucleotide 5'-d[AGGGTTAG(8)G(9)GTT AG(14)G(15)GTTAGGGTGT]-3'. 7,8-dihydro-8-oxoguanine : An oxopurine that is guanine in which the hydrogen at position 8 is replaced by an oxo group and in which the nitrogens at positions 7 and 9 each bear a hydrogen.	3.11	5	0	oxopurine
8-hydroxy-2'-deoxyguanosine 8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage.	2.4	2	0	guanosines	biomarker
formycins Formycins: Pyrazolopyrimidine ribonucleosides isolated from Nocardia interforma. They are antineoplastic antibiotics with cytostatic properties.	2	1	0
7-n-(2-oxoethyl)guanine [no description available]	1.96	1	0
acetylcellulose acetylcellulose: coating compound. cellulose acetate : A glucan derivative obtained through the esterification of cellulose by acetic anhydride or acetic acid, resulting in the substitution of some of the hydroxy groups of cellulose by acetyl groups. It is used in a variety of applications including base material for photographic film, clothing, membrane filters, coatings, food packaging, and as a frame material for eyeglasses.	2.13	1	0
concanavalin a Concanavalin A: A MANNOSE/GLUCOSE binding lectin isolated from the jack bean (Canavalia ensiformis). It is a potent mitogen used to stimulate cell proliferation in lymphocytes, primarily T-lymphocyte, cultures.	3.07	5	0
phosphorus radioisotopes Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes.	2.89	4	0
1,24,25-trihydroxyvitamin d3 1,24,25-trihydroxyvitamin D3: RN given refers to (3beta,5Z,7E)-isomer	1.97	1	0
forssman glycolipid Forssman glycolipid: structure	1.96	1	0

Condition	Relationship Strength	Studies	Trials
Extravascular Hemolysis [description not available]	2.31	1	0
Hemolysis The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity.	2.31	1	0
ER-Negative PR-Negative HER2-Negative Breast Cancer [description not available]	2.6	1	0
Triple Negative Breast Neoplasms Breast neoplasms that do not express ESTROGEN RECEPTORS; PROGESTERONE RECEPTORS; and do not overexpress the NEU RECEPTOR/HER-2 PROTO-ONCOGENE PROTEIN.	2.6	1	0
Cancer of Lung [description not available]	2.71	3	0
Lung Neoplasms Tumors or cancer of the LUNG.	2.71	3	0
Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases.	2.47	2	0
Innate Inflammatory Response [description not available]	2.49	2	0
Ache [description not available]	2.25	1	0
Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function.	2.49	2	0
Pain An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS.	2.25	1	0
Benign Neoplasms, Brain [description not available]	3.48	1	1
Astrocytoma, Grade IV [description not available]	3.84	2	1
Brain Neoplasms Neoplasms of the intracranial components of the central nervous system, including the cerebral hemispheres, basal ganglia, hypothalamus, thalamus, brain stem, and cerebellum. Brain neoplasms are subdivided into primary (originating from brain tissue) and secondary (i.e., metastatic) forms. Primary neoplasms are subdivided into benign and malignant forms. In general, brain tumors may also be classified by age of onset, histologic type, or presenting location in the brain.	3.48	1	1
Glioblastoma A malignant form of astrocytoma histologically characterized by pleomorphism of cells, nuclear atypia, microhemorrhage, and necrosis. They may arise in any region of the central nervous system, with a predilection for the cerebral hemispheres, basal ganglia, and commissural pathways. Clinical presentation most frequently occurs in the fifth or sixth decade of life with focal neurologic signs or seizures.	3.84	2	1
Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed)	4.62	26	0
Abortion, Recurrent [description not available]	2.13	1	0
Abortion, Habitual Three or more consecutive spontaneous abortions.	2.13	1	0
Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.	3.99	5	0
Anasarca [description not available]	2.15	1	0
Edema Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE.	2.15	1	0
Disease Exacerbation [description not available]	2.05	1	0
Acute Confusional Senile Dementia [description not available]	2.43	2	0
Alzheimer Disease A degenerative disease of the BRAIN characterized by the insidious onset of DEMENTIA. Impairment of MEMORY, judgment, attention span, and problem solving skills are followed by severe APRAXIAS and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of SENILE PLAQUES; NEUROFIBRILLARY TANGLES; and NEUROPIL THREADS. (From Adams et al., Principles of Neurology, 6th ed, pp1049-57)	2.43	2	0
Cancer of Colon [description not available]	2.06	1	0
Colonic Neoplasms Tumors or cancer of the COLON.	2.06	1	0
Benign Neoplasms [description not available]	2.06	1	0
Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms.	2.06	1	0
Cystinuria An inherited disorder due to defective reabsorption of CYSTINE and other BASIC AMINO ACIDS by the PROXIMAL RENAL TUBULES. This form of aminoaciduria is characterized by the abnormally high urinary levels of cystine; LYSINE; ARGININE; and ORNITHINE. Mutations involve the amino acid transport protein gene SLC3A1.	2.01	1	0
Brain Hemorrhage, Cerebral [description not available]	2.01	1	0
Anterior Choroidal Artery Infarction [description not available]	2.01	1	0
Anterior Circulation Transient Ischemic Attack [description not available]	2.01	1	0
Cerebral Hemorrhage Bleeding into one or both CEREBRAL HEMISPHERES including the BASAL GANGLIA and the CEREBRAL CORTEX. It is often associated with HYPERTENSION and CRANIOCEREBRAL TRAUMA.	2.01	1	0
Cerebral Infarction The formation of an area of NECROSIS in the CEREBRUM caused by an insufficiency of arterial or venous blood flow. Infarcts of the cerebrum are generally classified by hemisphere (i.e., left vs. right), lobe (e.g., frontal lobe infarction), arterial distribution (e.g., INFARCTION, ANTERIOR CEREBRAL ARTERY), and etiology (e.g., embolic infarction).	2.01	1	0
Ischemic Attack, Transient Brief reversible episodes of focal, nonconvulsive ischemic dysfunction of the brain having a duration of less than 24 hours, and usually less than one hour, caused by transient thrombotic or embolic blood vessel occlusion or stenosis. Events may be classified by arterial distribution, temporal pattern, or etiology (e.g., embolic vs. thrombotic). (From Adams et al., Principles of Neurology, 6th ed, pp814-6)	2.01	1	0
Necrosis The death of cells in an organ or tissue due to disease, injury or failure of the blood supply.	2.01	1	0
Carcinoma, Lewis Lung A carcinoma discovered by Dr. Margaret R. Lewis of the Wistar Institute in 1951. This tumor originated spontaneously as a carcinoma of the lung of a C57BL mouse. The tumor does not appear to be grossly hemorrhagic and the majority of the tumor tissue is a semifirm homogeneous mass. (From Cancer Chemother Rep 2 1972 Nov;(3)1:325) It is also called 3LL and LLC and is used as a transplantable malignancy.	2.02	1	0
Invasiveness, Neoplasm [description not available]	2.02	1	0
Calcification, Pathologic [description not available]	2.69	3	0
Calcinosis Pathologic deposition of calcium salts in tissues.	2.69	3	0
Cancer of Ovary [description not available]	2.67	3	0
Ovarian Neoplasms Tumors or cancer of the OVARY. These neoplasms can be benign or malignant. They are classified according to the tissue of origin, such as the surface EPITHELIUM, the stromal endocrine cells, and the totipotent GERM CELLS.	2.67	3	0
Germinoblastoma [description not available]	1.96	1	0
Metastase [description not available]	1.96	1	0
Lymphoma A general term for various neoplastic diseases of the lymphoid tissue.	1.96	1	0
Neoplasm Metastasis The transfer of a neoplasm from one organ or part of the body to another remote from the primary site.	1.96	1	0
Burns Injuries to tissues caused by contact with heat, steam, chemicals (BURNS, CHEMICAL), electricity (BURNS, ELECTRIC), or the like.	1.96	1	0
Pyrexia [description not available]	1.96	1	0
Fever An abnormal elevation of body temperature, usually as a result of a pathologic process.	1.96	1	0
Coagulation Disorders, Blood [description not available]	1.96	1	0
Blood Coagulation Disorders Hemorrhagic and thrombotic disorders that occur as a consequence of abnormalities in blood coagulation due to a variety of factors such as COAGULATION PROTEIN DISORDERS; BLOOD PLATELET DISORDERS; BLOOD PROTEIN DISORDERS or nutritional conditions.	1.96	1	0
Alloxan Diabetes [description not available]	3.35	7	0
Diabetic Glomerulosclerosis [description not available]	1.96	1	0
Diabetic Nephropathies KIDNEY injuries associated with diabetes mellitus and affecting KIDNEY GLOMERULUS; ARTERIOLES; KIDNEY TUBULES; and the interstitium. Clinical signs include persistent PROTEINURIA, from microalbuminuria progressing to ALBUMINURIA of greater than 300 mg/24 h, leading to reduced GLOMERULAR FILTRATION RATE and END-STAGE RENAL DISEASE.	1.96	1	0
Glycosuria The appearance of an abnormally large amount of GLUCOSE in the urine, such as more than 500 mg/day in adults. It can be due to HYPERGLYCEMIA or genetic defects in renal reabsorption (RENAL GLYCOSURIA).	1.96	1	0
Cataract, Membranous [description not available]	1.96	1	0
Cataract Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed)	1.96	1	0
Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.	3.23	6	0
Alcohol Abuse [description not available]	1.96	1	0
Alcoholism A primary, chronic disease with genetic, psychosocial, and environmental factors influencing its development and manifestations. The disease is often progressive and fatal. It is characterized by impaired control over drinking, preoccupation with the drug alcohol, use of alcohol despite adverse consequences, and distortions in thinking, most notably denial. Each of these symptoms may be continuous or periodic. (Morse & Flavin for the Joint Commission of the National Council on Alcoholism and Drug Dependence and the American Society of Addiction Medicine to Study the Definition and Criteria for the Diagnosis of Alcoholism: in JAMA 1992;268:1012-4)	1.96	1	0
Inborn Errors of Metabolism [description not available]	1.96	1	0
Metabolism, Inborn Errors Errors in metabolic processes resulting from inborn genetic mutations that are inherited or acquired in utero.	1.96	1	0
Carcinoma, Ehrlich Tumor A transplantable, poorly differentiated malignant tumor which appeared originally as a spontaneous breast carcinoma in a mouse. It grows in both solid and ascitic forms.	2.37	2	0
Experimental Hepatoma [description not available]	1.96	1	0
Anemia With Multinucleated Erythroblasts [description not available]	1.96	1	0
Anemia, Hemolytic, Hereditary [description not available]	1.96	1	0
Anemia, Hemolytic, Congenital Hemolytic anemia due to various intrinsic defects of the erythrocyte.	1.96	1	0
Dysembryoma [description not available]	1.96	1	0
Teratoma A true neoplasm composed of a number of different types of tissue, none of which is native to the area in which it occurs. It is composed of tissues that are derived from three germinal layers, the endoderm, mesoderm, and ectoderm. They are classified histologically as mature (benign) or immature (malignant). (From DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1642)	1.96	1	0
Infections, Plasmodium [description not available]	1.96	1	0
Malaria A protozoan disease caused in humans by four species of the PLASMODIUM genus: PLASMODIUM FALCIPARUM; PLASMODIUM VIVAX; PLASMODIUM OVALE; and PLASMODIUM MALARIAE; and transmitted by the bite of an infected female mosquito of the genus ANOPHELES. Malaria is endemic in parts of Asia, Africa, Central and South America, Oceania, and certain Caribbean islands. It is characterized by extreme exhaustion associated with paroxysms of high FEVER; SWEATING; shaking CHILLS; and ANEMIA. Malaria in ANIMALS is caused by other species of plasmodia.	1.96	1	0
Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.	2.37	2	0
Chronic Illness [description not available]	1.98	1	0
Hepatitis, Viral, Non-A, Non-B, Parenterally-Transmitted [description not available]	1.98	1	0
Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2).	1.98	1	0
Hepatitis C INFLAMMATION of the LIVER in humans caused by HEPATITIS C VIRUS, a single-stranded RNA virus. Its incubation period is 30-90 days. Hepatitis C is transmitted primarily by contaminated blood parenterally and is often associated with transfusion and intravenous drug abuse. However, in a significant number of cases, the source of hepatitis C infection is unknown.	1.98	1	0
Chronic Kidney Failure [description not available]	1.98	1	0
Kidney Failure, Chronic The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION.	1.98	1	0
Neoplasms, Bronchial [description not available]	1.99	1	0
Argentaffinoma [description not available]	1.99	1	0
Cancer of ILEUM [description not available]	1.99	1	0
Cancer of Pancreas [description not available]	1.99	1	0
Cancer of Stomach [description not available]	1.99	1	0
Bronchial Neoplasms Tumors or cancer of the BRONCHI.	1.99	1	0
Carcinoid Tumor A usually small, slow-growing neoplasm composed of islands of rounded, oxyphilic, or spindle-shaped cells of medium size, with moderately small vesicular nuclei, and covered by intact mucosa with a yellow cut surface. The tumor can occur anywhere in the gastrointestinal tract (and in the lungs and other sites); approximately 90% arise in the appendix. It is now established that these tumors are of neuroendocrine origin and derive from a primitive stem cell. (From Stedman, 25th ed & Holland et al., Cancer Medicine, 3d ed, p1182)	1.99	1	0
Pancreatic Neoplasms Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA).	1.99	1	0
Stomach Neoplasms Tumors or cancer of the STOMACH.	1.99	1	0
Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.	2.67	3	0
Arteriosclerosis Thickening and loss of elasticity of the walls of ARTERIES of all sizes. There are many forms classified by the types of lesions and arteries involved, such as ATHEROSCLEROSIS with fatty lesions in the ARTERIAL INTIMA of medium and large muscular arteries.	2.4	2	0
ATLL [description not available]	1.99	1	0
Leukemia-Lymphoma, Adult T-Cell Aggressive T-Cell malignancy with adult onset, caused by HUMAN T-LYMPHOTROPIC VIRUS 1. It is endemic in Japan, the Caribbean basin, Southeastern United States, Hawaii, and parts of Central and South America and sub-Saharan Africa.	1.99	1	0
Complications of Diabetes Mellitus [description not available]	1.99	1	0
Lysosomal Enzyme Disorders [description not available]	1.99	1	0
Cystine Diathesis [description not available]	2	1	0
Cystinosis A metabolic disease characterized by the defective transport of CYSTINE across the lysosomal membrane due to mutation of a membrane protein cystinosin. This results in cystine accumulation and crystallization in the cells causing widespread tissue damage. In the KIDNEY, nephropathic cystinosis is a common cause of RENAL FANCONI SYNDROME.	2	1	0
Carcinoma, Oat Cell [description not available]	1.98	1	0
Carcinoma, Small Cell An anaplastic, highly malignant, and usually bronchogenic carcinoma composed of small ovoid cells with scanty neoplasm. It is characterized by a dominant, deeply basophilic nucleus, and absent or indistinct nucleoli. (From Stedman, 25th ed; Holland et al., Cancer Medicine, 3d ed, p1286-7)	1.98	1	0
Chondrosarcoma A slowly growing malignant neoplasm derived from cartilage cells, occurring most frequently in pelvic bones or near the ends of long bones, in middle-aged and old people. Most chondrosarcomas arise de novo, but some may develop in a preexisting benign cartilaginous lesion or in patients with ENCHONDROMATOSIS. (Stedman, 25th ed)	1.98	1	0
Chromosome Deletion Actual loss of portion of a chromosome.	1.98	1	0
Insulin Sensitivity [description not available]	1.98	1	0
Cancer of Liver [description not available]	2.38	2	0
Insulin Resistance Diminished effectiveness of INSULIN in lowering blood sugar levels: requiring the use of 200 units or more of insulin per day to prevent HYPERGLYCEMIA or KETOSIS.	1.98	1	0
Liver Neoplasms Tumors or cancer of the LIVER.	2.38	2	0
ALS - Amyotrophic Lateral Sclerosis [description not available]	1.98	1	0
Muscle Disorders [description not available]	1.98	1	0
Nervous System Disorders [description not available]	1.98	1	0
Amyotrophic Lateral Sclerosis A degenerative disorder affecting upper MOTOR NEURONS in the brain and lower motor neurons in the brain stem and SPINAL CORD. Disease onset is usually after the age of 50 and the process is usually fatal within 3 to 6 years. Clinical manifestations include progressive weakness, atrophy, FASCICULATION, hyperreflexia, DYSARTHRIA, dysphagia, and eventual paralysis of respiratory function. Pathologic features include the replacement of motor neurons with fibrous ASTROCYTES and atrophy of anterior SPINAL NERVE ROOTS and corticospinal tracts. (From Adams et al., Principles of Neurology, 6th ed, pp1089-94)	1.98	1	0
Muscular Diseases Acquired, familial, and congenital disorders of SKELETAL MUSCLE and SMOOTH MUSCLE.	1.98	1	0
Nervous System Diseases Diseases of the central and peripheral nervous system. This includes disorders of the brain, spinal cord, cranial nerves, peripheral nerves, nerve roots, autonomic nervous system, neuromuscular junction, and muscle.	1.98	1	0
Experimental Neoplasms [description not available]	1.97	1	0
MS (Multiple Sclerosis) [description not available]	1.96	1	0
Multiple Sclerosis An autoimmune disorder mainly affecting young adults and characterized by destruction of myelin in the central nervous system. Pathologic findings include multiple sharply demarcated areas of demyelination throughout the white matter of the central nervous system. Clinical manifestations include visual loss, extra-ocular movement disorders, paresthesias, loss of sensation, weakness, dysarthria, spasticity, ataxia, and bladder dysfunction. The usual pattern is one of recurrent attacks followed by partial recovery (see MULTIPLE SCLEROSIS, RELAPSING-REMITTING), but acute fulminating and chronic progressive forms (see MULTIPLE SCLEROSIS, CHRONIC PROGRESSIVE) also occur. (Adams et al., Principles of Neurology, 6th ed, p903)	1.96	1	0
Ascites Accumulation or retention of free fluid within the peritoneal cavity.	1.96	1	0
Hepatocellular Carcinoma [description not available]	1.97	1	0
Carcinoma, Hepatocellular A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested.	1.97	1	0
HIV Human immunodeficiency virus. A non-taxonomic and historical term referring to any of two species, specifically HIV-1 and/or HIV-2. Prior to 1986, this was called human T-lymphotropic virus type III/lymphadenopathy-associated virus (HTLV-III/LAV). From 1986-1990, it was an official species called HIV. Since 1991, HIV was no longer considered an official species name; the two species were designated HIV-1 and HIV-2.	1.97	1	0
Pheochromocytoma, Extra-Adrenal [description not available]	1.97	1	0
Pheochromocytoma A usually benign, well-encapsulated, lobular, vascular tumor of chromaffin tissue of the ADRENAL MEDULLA or sympathetic paraganglia. The cardinal symptom, reflecting the increased secretion of EPINEPHRINE and NOREPINEPHRINE, is HYPERTENSION, which may be persistent or intermittent. During severe attacks, there may be HEADACHE; SWEATING, palpitation, apprehension, TREMOR; PALLOR or FLUSHING of the face, NAUSEA and VOMITING, pain in the CHEST and ABDOMEN, and paresthesias of the extremities. The incidence of malignancy is as low as 5% but the pathologic distinction between benign and malignant pheochromocytomas is not clear. (Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1298)	1.97	1	0
Di Guglielmo Disease [description not available]	1.97	1	0
Leukemia, Erythroblastic, Acute A myeloproliferative disorder characterized by neoplastic proliferation of erythroblastic and myeloblastic elements with atypical erythroblasts and myeloblasts in the peripheral blood.	1.97	1	0
Deficiency, Pyridoxine [description not available]	2.88	1	0
Carcinoma, Epidermoid [description not available]	1.96	1	0
Carcinoma, Squamous Cell A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed)	1.96	1	0
Cardiovascular Stroke [description not available]	1.96	1	0
Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION).	1.96	1	0
Canine Distemper [description not available]	1.96	1	0
Ganglioside Storage Diseases [description not available]	1.96	1	0
Amaurotic Familial Idiocy An outdated term for Tay-Sachs disease.	1.96	1	0
Gangliosidoses A group of autosomal recessive lysosomal storage disorders marked by the accumulation of GANGLIOSIDES. They are caused by impaired enzymes or defective cofactors required for normal ganglioside degradation in the LYSOSOMES. Gangliosidoses are classified by the specific ganglioside accumulated in the defective degradation pathway.	1.96	1	0
Tay-Sachs Disease An autosomal recessive neurodegenerative disorder characterized by the onset in infancy of an exaggerated startle response, followed by paralysis, dementia, and blindness. It is caused by mutation in the alpha subunit of the HEXOSAMINIDASE A resulting in lipid-laden ganglion cells. It is also known as the B variant (with increased HEXOSAMINIDASE B but absence of hexosaminidase A) and is strongly associated with Ashkenazic Jewish ancestry.	1.96	1	0
Diabetes Mellitus, Adult-Onset [description not available]	1.97	1	0
Diabetes Mellitus, Type 2 A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.	1.97	1	0
Condition, Preneoplastic [description not available]	1.96	1	0
Precancerous Conditions Pathological conditions that tend eventually to become malignant.	1.96	1	0
Acidosis, Diabetic [description not available]	1.96	1	0
Diabetic Ketoacidosis A life-threatening complication of diabetes mellitus, primarily of TYPE 1 DIABETES MELLITUS with severe INSULIN deficiency and extreme HYPERGLYCEMIA. It is characterized by KETOSIS; DEHYDRATION; and depressed consciousness leading to COMA.	1.96	1	0
Dilatation, Pathologic The condition of an anatomical structure's being dilated beyond normal dimensions.	1.96	1	0
Marfan Syndrome, Type I [description not available]	1.96	1	0
Aortic Diseases Pathological processes involving any part of the AORTA.	1.96	1	0
Marfan Syndrome An autosomal dominant disorder of CONNECTIVE TISSUE with abnormal features in the heart, the eye, and the skeleton. Cardiovascular manifestations include MITRAL VALVE PROLAPSE, dilation of the AORTA, and aortic dissection. Other features include lens displacement (ectopia lentis), disproportioned long limbs and enlarged DURA MATER (dural ectasia). Marfan syndrome (type 1) is associated with mutations in the gene encoding FIBRILLIN-1 (FBN1), a major element of extracellular microfibrils of connective tissue. Mutations in the gene encoding TYPE II TGF-BETA RECEPTOR (TGFBR2) are associated with Marfan syndrome type 2.	1.96	1	0

chemdatabank.com