Substance | Relationship Strength | Studies | Trials | Classes | Roles |
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. | 2.05 | 1 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite; Daphnia magna metabolite |
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. | 2.31 | 1 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
pyridoxal [no description available] | 2.31 | 1 | 0 | hydroxymethylpyridine; methylpyridines; monohydroxypyridine; pyridinecarbaldehyde; vitamin B6 | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
cystamine [no description available] | 2.66 | 2 | 0 | organic disulfide; primary amino compound | EC 2.3.2.13 (protein-glutamine gamma-glutamyltransferase) inhibitor |
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. | 2.6 | 1 | 0 | alkane-alpha,omega-diamine | GABA agonist |
fluorouracil Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 2.13 | 1 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
flurbiprofen Flurbiprofen: An anti-inflammatory analgesic and antipyretic of the phenylalkynoic acid series. It has been shown to reduce bone resorption in periodontal disease by inhibiting CARBONIC ANHYDRASE.. flurbiprofen : A monocarboxylic acid that is a 2-fluoro-[1,1'-biphenyl-4-yl] moiety linked to C-2 of propionic acid. A non-steroidal anti-inflammatory, analgesic and antipyretic, it is used as a pre-operative anti-miotic as well as orally for arthritis or dental pain. | 2.05 | 1 | 0 | fluorobiphenyl; monocarboxylic acid | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
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. | 2.47 | 2 | 0 | dialdehyde | cross-linking reagent; disinfectant; fixative |
iodoacetamide [no description available] | 1.97 | 1 | 0 | | |
usnic acid [no description available] | 2.21 | 1 | 0 | benzofurans | |
prednisolone Prednisolone: A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states.. prednisolone : A glucocorticoid that is prednisone in which the oxo group at position 11 has been reduced to the corresponding beta-hydroxy group. It is a drug metabolite of prednisone. | 2.6 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | adrenergic agent; anti-inflammatory drug; antineoplastic agent; drug metabolite; environmental contaminant; immunosuppressive agent; xenobiotic |
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. | 2.04 | 1 | 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 |
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. | 2.15 | 1 | 0 | cyclic dicarboxylic anhydride; furans | allergen |
catechin Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 2.21 | 1 | 0 | catechin | antioxidant; plant metabolite |
hydrazine diamine : Any polyamine that contains two amino groups. | 2.69 | 3 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
succinimide succinimide: RN given refers to parent cpd. succinimide : A dicarboximide that is pyrrolidine which is substituted by oxo groups at positions 2 and 5. | 2.05 | 1 | 0 | dicarboximide; pyrrolidinone | |
vancomycin Vancomycin: Antibacterial obtained from Streptomyces orientalis. It is a glycopeptide related to RISTOCETIN that inhibits bacterial cell wall assembly and is toxic to kidneys and the inner ear.. vancomycin : A complex glycopeptide from Streptomyces orientalis. It inhibits a specific step in the synthesis of the peptidoglycan layer in the Gram-positive bacteria Staphylococcus aureus and Clostridium difficile. | 2.25 | 1 | 0 | glycopeptide | antibacterial drug; antimicrobial agent; bacterial metabolite |
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. | 2.15 | 1 | 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 |
ethyldimethylaminopropyl carbodiimide Ethyldimethylaminopropyl Carbodiimide: Carbodiimide cross-linking reagent. | 2.44 | 2 | 0 | | |
1,6-diaminohexane 1,6-diaminohexane: Russian drug; RN given refers to parent cpd; structure. hexane-1,6-diamine : A C6 alkane-alpha,omega-diamine. | 2.39 | 2 | 0 | alkane-alpha,omega-diamine | human xenobiotic metabolite |
2,2-bis(bromomethyl)-1,3-propanediol 2,2-bis(bromomethyl)-1,3-propanediol: structure given in first source | 1.97 | 1 | 0 | primary alcohol | |
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. | 2.07 | 1 | 0 | fluorescein isothiocyanate | |
mannose mannopyranose : The pyranose form of mannose. | 2.31 | 1 | 0 | D-aldohexose; D-mannose; mannopyranose | metabolite |
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. | 2.01 | 1 | 0 | carbon oxoanion | |
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. | 2.31 | 1 | 0 | copper group element atom; elemental silver | Escherichia coli metabolite |
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. | 2.6 | 1 | 0 | titanium group element atom | |
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). | 2.15 | 1 | 0 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
3,3',5,5'-tetramethylbenzidine T1023: radioprotective NO-Synthase Inhibitor | 2.01 | 1 | 0 | | |
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. | 2.07 | 1 | 0 | | |
metaperiodate Periodic Acid: A strong oxidizing agent. | 3.28 | 6 | 0 | iodine oxoacid | |
n,n-carbonyldiimidazole [no description available] | 1.97 | 1 | 0 | | |
succinic dihydrazide succinic dihydrazide: structure given in first source | 2.31 | 1 | 0 | | |
carbohydrazide carbohydrazide: structure. carbohydrazide : A hydrazide consisting of hydrazine carrying one or more carboacyl groups.. carbonyl dihydrazine : A carbohydrazide obtained by formal condensation between hydrazinecarboxylic acid and hydrazine. | 2.31 | 1 | 0 | carbohydrazide; one-carbon compound | |
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. | 2.03 | 1 | 0 | iditol | fungal metabolite |
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. | 2.05 | 1 | 0 | D-glucuronic acid | algal metabolite |
n-succinimidyl 3-(2-pyridyldithio)propionate N-succinimidyl 3-(2-pyridyldithio)propionate: heterobifunctional reagent | 1.98 | 1 | 0 | | |
1-cyano-4-dimethylaminopyridinium 1-cyano-4-dimethylaminopyridinium: a cyanylating agent for the activation of polysaccharide resins | 2.01 | 1 | 0 | | |
methotrexate [no description available] | 2.21 | 1 | 0 | dicarboxylic acid; monocarboxylic acid amide; pteridines | abortifacient; antimetabolite; antineoplastic agent; antirheumatic drug; dermatologic drug; DNA synthesis inhibitor; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; immunosuppressive agent |
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. | 2.93 | 4 | 0 | carbodiimide | |
metaperiodate metaperiodate: RN given refers to periodic acid, Na salt; structure. periodate : A monovalent inorganic anion obtained by deprotonation of periodic acid. | 3.15 | 5 | 0 | iodine oxoanion; monovalent inorganic anion | |
benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.21 | 1 | 0 | | |
genipin [no description available] | 2.05 | 1 | 0 | iridoid monoterpenoid | anti-inflammatory agent; antioxidant; apoptosis inhibitor; cross-linking reagent; hepatotoxic agent; uncoupling protein inhibitor |
betadex beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.1 | 1 | 0 | cyclodextrin | |
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. | 2.17 | 1 | 0 | D-galactopyranuronic acid | |
iridoids Iridoids: A type of MONOTERPENES, derived from geraniol. They have the general form of cyclopentanopyran, but in some cases, one of the rings is broken as in the case of secoiridoid. They are different from the similarly named iridals (TRITERPENES). | 2.05 | 1 | 0 | | |
tempo TEMPO: structure. TEMPO : A member of the class of aminoxyls that is piperidine that carries an oxidanediyl group at position 1 and methyl groups at positions 2, 2, 6, and 6, respectively. | 2.31 | 1 | 0 | aminoxyls; piperidines | catalyst; ferroptosis inhibitor; radical scavenger |
pentaerythritol diacrylate monostearate pentaerythritol diacrylate monostearate: structure in first source | 2.15 | 1 | 0 | | |
gallocatechin-3-gallate gallocatechin gallate: structure in first source. (+)-gallocatechin gallate : A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3S)-hydroxy group of (+)-gallocatechin. | 2.21 | 1 | 0 | catechin; gallate ester; polyphenol | plant metabolite |
zeolites [no description available] | 2.6 | 1 | 0 | | |
2,5-anhydromannose 2,5-anhydromannose: RN given refers to (D)-isomer | 2.31 | 1 | 0 | | |
acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 1.97 | 1 | 0 | | |
cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.13 | 1 | 0 | glycoside | |
chitosan [no description available] | 2.66 | 2 | 0 | | |
stearates Stearates: Salts and esters of the 18-carbon saturated, monocarboxylic acid--stearic acid. | 2.15 | 1 | 0 | | |
cortisol succinate, sodium salt hydrocortisone hemisuccinate: RN given refers to (11beta)-isomer; Synonyms Solu-Cortef & sopolcort H refer to Na salt | 2.71 | 3 | 0 | organic molecular entity | |
neurotensin neurotensin, Tyr(11)-: RN given refers to parent cpd & (D)-isomer; RN for cpd without isomeric designation not avail 5/91 | 2.07 | 1 | 0 | peptide hormone | human metabolite; mitogen; neurotransmitter; vulnerary |
mannans [no description available] | 2.21 | 1 | 0 | | |
angiotensin i Angiotensin I: A decapeptide that is cleaved from precursor angiotensinogen by RENIN. Angiotensin I has limited biological activity. It is converted to angiotensin II, a potent vasoconstrictor, after the removal of two amino acids at the C-terminal by ANGIOTENSIN CONVERTING ENZYME.. angiotensin I : A ten amino acid peptide formed by renin cleavage of angiotensinogen. Angiotensin I has no direct biological function except that high levels can stimulate catecholamine production. It is metabolized to its biologically active byproduct angiotensin II, a potent vasoconstrictor, by angiotensin converting enzyme (ACE) through cleavage of the two terminal amino acids.. angiotensin I dizwitterion : A peptide zwitterion that is the dizwitterionic form of angiotensin I having both carboxy groups deprotonated and the aspartyl amino group and arginine side-chain protonated. It is the major species at pH 7.3. | 2.07 | 1 | 0 | angiotensin; peptide zwitterion | human metabolite; neurotransmitter agent |
tetramycin [no description available] | 2.21 | 1 | 0 | | |
carboxymethyl-beta-cyclodextrin [no description available] | 2.1 | 1 | 0 | | |