Substance | Relationship Strength | Studies | Trials | Classes | Roles |
chloroacetaldehyde [no description available] | 1.98 | 1 | 0 | organochlorine compound | |
gamma-aminobutyric acid gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 2.06 | 1 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
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. | 1.98 | 1 | 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 |
acetyl phosphate acetyl dihydrogen phosphate : An acyl monophosphate in which the acyl group specified is acetyl. | 2.21 | 1 | 0 | acyl monophosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
adenine [no description available] | 6.49 | 9 | 2 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae 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). | 2.04 | 1 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.13 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
4-nitrophenylphosphate nitrophenylphosphate: RN given refers to mono(4-nitrophenyl) ester of phosphoric acid. 4-nitrophenyl phosphate : An aryl phosphate resulting from the mono-esterification of phosphoric acid with 4-nitrophenol. | 2.1 | 1 | 0 | aryl phosphate | mouse metabolite |
phosphonoacetic acid Phosphonoacetic Acid: A simple organophosphorus compound that inhibits DNA polymerase, especially in viruses and is used as an antiviral agent.. phosphonoacetic acid : A member of the class of phosphonic acids that is phosphonic acid in which the hydrogen attached to the phosphorous is replaced by a carboxymethyl group. | 1.96 | 1 | 0 | monocarboxylic acid; phosphonic acids | antiviral agent; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor |
cytosine [no description available] | 2.73 | 3 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae 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. | 2.02 | 1 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
triphosphoric acid triphosphoric acid: used as water softener, peptizing agent, emulsifier & dispersing agent; ingredient of cleansers; meat preservative; RN given refers to parent cpd; structure | 1.93 | 1 | 0 | acyclic phosphorus acid anhydride; phosphorus oxoacid | |
phenol [no description available] | 2.06 | 1 | 0 | phenols | antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite |
purine 1H-purine : The 1H-tautomer of purine.. 3H-purine : The 3H-tautomer of purine.. 9H-purine : The 9H-tautomer of purine.. 7H-purine : The 7H-tautomer of purine. | 2 | 1 | 0 | purine | |
thymine [no description available] | 3.29 | 6 | 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. | 2.02 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
uracil 2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 2.43 | 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. | 3.11 | 1 | 0 | uric acid | Escherichia coli metabolite; human metabolite; mouse metabolite |
2-aminofluorene [no description available] | 2.07 | 1 | 0 | | |
acetohydroxamic acid acetohydroxamic acid: urease inhibitor. oxime : Compounds of structure R2C=NOH derived from condensation of aldehydes or ketones with hydroxylamine. Oximes from aldehydes may be called aldoximes; those from ketones may be called ketoximes.. N-hydroxyacetimidic acid : A carbohydroximic acid consisting of acetimidic acid having a hydroxy group attached to the imide nitrogen.. acetohydroxamic acid : A member of the class of acetohydroxamic acids that is acetamide in which one of the amino hydrogens has been replaced by a hydroxy group. | 2.06 | 1 | 0 | acetohydroxamic acids; carbohydroximic acid | algal metabolite; EC 3.5.1.5 (urease) inhibitor |
celecoxib [no description available] | 2.06 | 1 | 0 | organofluorine compound; pyrazoles; sulfonamide; toluenes | cyclooxygenase 2 inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
dipyridamole Dipyridamole: A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells. Dipyridamole also potentiates the antiaggregating action of prostacyclin. (From AMA Drug Evaluations Annual, 1994, p752). dipyridamole : A pyrimidopyrimidine that is 2,2',2'',2'''-(pyrimido[5,4-d]pyrimidine-2,6-diyldinitrilo)tetraethanol substituted by piperidin-1-yl groups at positions 4 and 8 respectively. A vasodilator agent, it inhibits the formation of blood clots. | 1.99 | 1 | 0 | piperidines; pyrimidopyrimidine; tertiary amino compound; tetrol | adenosine phosphodiesterase inhibitor; EC 3.5.4.4 (adenosine deaminase) inhibitor; platelet aggregation inhibitor; vasodilator agent |
9-(2-hydroxy-3-nonyl)adenine 9-(2-hydroxy-3-nonyl)adenine: specific inhibitor of adenosine deaminase | 1.96 | 1 | 0 | | |
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. | 1.99 | 1 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
haloperidol Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety. | 2.06 | 1 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
hydroxyurea [no description available] | 10.09 | 14 | 0 | one-carbon compound; ureas | antimetabolite; antimitotic; antineoplastic agent; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; genotoxin; immunomodulator; radical scavenger; teratogenic agent |
losartan Losartan: An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.. losartan : A biphenylyltetrazole where a 1,1'-biphenyl group is attached at the 5-position and has an additional trisubstituted imidazol-1-ylmethyl group at the 4'-position | 2.06 | 1 | 0 | biphenylyltetrazole; imidazoles | angiotensin receptor antagonist; anti-arrhythmia drug; antihypertensive agent; endothelin receptor antagonist |
ethylmaleimide Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 1.96 | 1 | 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. | 2.06 | 1 | 0 | aromatic ether; C-nitro compound; sulfonamide | cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
pd 153035 4-((3-bromophenyl)amino)-6,7-dimethoxyquinazoline: structure given in first source. PD-153035 : A member of the class of quinazolines carrying a 3-bromophenylamino substituent at position 4 and two methoxy substituents at positions 6 and 7. | 2.06 | 1 | 0 | aromatic amine; aromatic ether; bromobenzenes; quinazolines; secondary amino compound | EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; epidermal growth factor receptor antagonist |
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. | 2.38 | 2 | 0 | inorganic chloride; inorganic potassium salt; potassium salt | fertilizer |
pyrimethamine Maloprim: contains above 2 cpds | 1.96 | 1 | 0 | aminopyrimidine; monochlorobenzenes | antimalarial; antiprotozoal drug; EC 1.5.1.3 (dihydrofolate reductase) inhibitor |
temozolomide [no description available] | 2.17 | 1 | 0 | imidazotetrazine; monocarboxylic acid amide; triazene derivative | alkylating agent; antineoplastic agent; prodrug |
trifluperidol Trifluperidol: A butyrophenone with general properties similar to those of HALOPERIDOL. It is used in the treatment of PSYCHOSES including MANIA and SCHIZOPHRENIA. (From Martindale, The Extra Pharmacopoeia, 30th ed, p621) | 2.06 | 1 | 0 | aromatic ketone | |
venlafaxine venlafaxine : A tertiary amino compound that is N,N-dimethylethanamine substituted at position 1 by a 1-hydroxycyclohexyl and 4-methoxyphenyl group. | 2.06 | 1 | 0 | cyclohexanols; monomethoxybenzene; tertiary alcohol; tertiary amino compound | adrenergic uptake inhibitor; analgesic; antidepressant; dopamine uptake inhibitor; environmental contaminant; serotonin uptake inhibitor; xenobiotic |
thymidine [no description available] | 8.92 | 13 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite |
floxuridine Floxuridine: An antineoplastic antimetabolite that is metabolized to fluorouracil when administered by rapid injection; when administered by slow, continuous, intra-arterial infusion, it is converted to floxuridine monophosphate. It has been used to treat hepatic metastases of gastrointestinal adenocarcinomas and for palliation in malignant neoplasms of the liver and gastrointestinal tract.. floxuridine : A pyrimidine 2'-deoxyribonucleoside compound having 5-fluorouracil as the nucleobase; used to treat hepatic metastases of gastrointestinal adenocarcinomas and for palliation in malignant neoplasms of the liver and gastrointestinal tract. | 2.37 | 2 | 0 | nucleoside analogue; organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; radiosensitizing agent |
estrone Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 2.06 | 1 | 0 | 17-oxo steroid; 3-hydroxy steroid; phenolic steroid; phenols | antineoplastic agent; bone density conservation agent; estrogen; human metabolite; mouse metabolite |
2-acetylaminofluorene 2-Acetylaminofluorene: A hepatic carcinogen whose mechanism of activation involves N-hydroxylation to the aryl hydroxamic acid followed by enzymatic sulfonation to sulfoxyfluorenylacetamide. It is used to study the carcinogenicity and mutagenicity of aromatic amines. | 2.07 | 1 | 0 | 2-acetamidofluorenes | antimitotic; carcinogenic agent; epitope; mutagen |
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. | 2.02 | 1 | 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. | 1.98 | 1 | 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 |
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. | 2 | 1 | 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. | 2.07 | 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 |
adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 3.36 | 7 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
uridine [no description available] | 2.4 | 2 | 0 | uridines | drug metabolite; fundamental metabolite; human metabolite |
uridine monophosphate Uridine Monophosphate: 5'-Uridylic acid. A uracil nucleotide containing one phosphate group esterified to the sugar moiety in the 2', 3' or 5' position.. uridine 5'-monophosphate : A pyrimidine ribonucleoside 5'-monophosphate having uracil as the nucleobase. | 2.1 | 1 | 0 | pyrimidine ribonucleoside 5'-monophosphate; uridine 5'-phosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
uridine diphosphate Uridine Diphosphate: A uracil nucleotide containing a pyrophosphate group esterified to C5 of the sugar moiety. | 2.1 | 1 | 0 | pyrimidine ribonucleoside 5'-diphosphate; uridine 5'-phosphate | Escherichia coli metabolite; mouse metabolite |
bromodeoxyuridine Bromodeoxyuridine: A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors. | 2.38 | 2 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent |
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. | 1.96 | 1 | 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. | 2.4 | 2 | 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 |
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. | 1.97 | 1 | 0 | cytidine 5'-phosphate; pyrimidine ribonucleoside 5'-monophosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
cytidine diphosphate Cytidine Diphosphate: Cytidine 5'-(trihydrogen diphosphate). A cytosine nucleotide containing two phosphate groups esterified to the sugar moiety. Synonyms: CRPP; cytidine pyrophosphate. | 1.96 | 1 | 0 | cytidine 5'-phosphate; pyrimidine ribonucleoside 5'-diphosphate | Escherichia coli metabolite; mouse metabolite |
uridine triphosphate Uridine Triphosphate: Uridine 5'-(tetrahydrogen triphosphate). A uracil nucleotide containing three phosphate groups esterified to the sugar moiety. | 3.08 | 5 | 0 | pyrimidine ribonucleoside 5'-triphosphate; uridine 5'-phosphate | Escherichia coli 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 | 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. | 2.02 | 1 | 0 | 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 |
cytidine [no description available] | 2.65 | 3 | 0 | cytidines | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
cytidine triphosphate Cytidine Triphosphate: Cytidine 5'-(tetrahydrogen triphosphate). A cytosine nucleotide containing three phosphate groups esterified to the sugar moiety. | 4.07 | 3 | 1 | cytidine 5'-phosphate; pyrimidine ribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite |
cytarabine [no description available] | 2.38 | 2 | 0 | beta-D-arabinoside; monosaccharide derivative; pyrimidine nucleoside | antimetabolite; antineoplastic agent; antiviral agent; immunosuppressive 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. | 2.01 | 1 | 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 | 1 | 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. | 2.4 | 2 | 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 |
nifenalol nifenalol: adrenergic beta-blocker with good antiarrhythmic properties; also tends to lower blood pressure & provide protection against angina; minor descriptor (75-86); on-line & INDEX MEDICUS search ETHANOLAMINES (75-86); RN given refers to parent cpd without isomeric designation | 2.06 | 1 | 0 | C-nitro compound | |
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. | 2.42 | 2 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
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 |
4-biphenylamine 4-biphenylamine: used in detection of sulfates, & as a carcinogen in cancer research; RN given refers to parent cpd; structure. biphenyl-4-amine : An aminobiphenyl that is biphenyl substituted by an amino group at position 4. | 2.07 | 1 | 0 | aminobiphenyl | carcinogenic agent |
styrene oxide styrene oxide: structure. styrene oxide : An epoxide that is oxirane in which one of the hydrogens has been replaced by a phenyl group. | 1.98 | 1 | 0 | epoxide | human xenobiotic metabolite |
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. | 4.09 | 3 | 1 | 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. | 2.89 | 4 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
quinazolines Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 1.96 | 1 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinazolines | |
thiazoles [no description available] | 2 | 1 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
thymidine monophosphate Thymidine Monophosphate: 5-Thymidylic acid. A thymine nucleotide containing one phosphate group esterified to the deoxyribose moiety.. dTMP : The neutral species of thymidine 5'-monophosphate (2'-deoxythymidine 5'-monophosphate). | 2.39 | 2 | 0 | thymidine 5'-monophosphate | fundamental metabolite |
2-aminopurine 2-Aminopurine: A purine that is an isomer of ADENINE (6-aminopurine).. aminopurine : Any purine having at least one amino substituent.. 2-aminopurine : The parent compound of the 2-aminopurines, comprising a purine core carrying an amino substituent at the 2-position. | 2.01 | 1 | 0 | 2-aminopurines; nucleobase analogue | antimetabolite |
hydantoins Hydantoins: Compounds based on imidazolidine dione. Some derivatives are ANTICONVULSANTS.. imidazolidine-2,4-dione : An imidazolidinone with oxo groups at position 2 and 4. | 2.47 | 2 | 0 | imidazolidine-2,4-dione | |
emetine Emetine: The principal alkaloid of ipecac, from the ground roots of Uragoga (or Cephaelis) ipecacuanha or U. acuminata, of the Rubiaceae. It is used as an amebicide in many different preparations and may cause serious cardiac, hepatic, or renal damage and violent diarrhea and vomiting. Emetine inhibits protein synthesis in EUKARYOTIC CELLS but not PROKARYOTIC CELLS.. emetine : A pyridoisoquinoline comprising emetam having methoxy substituents at the 6'-, 7'-, 10- and 11-positions. It is an antiprotozoal agent and emetic. It inhibits SARS-CoV2, Zika and Ebola virus replication and displays antimalarial, antineoplastic and antiamoebic properties. | 1.96 | 1 | 0 | isoquinoline alkaloid; pyridoisoquinoline | antiamoebic agent; anticoronaviral agent; antiinfective agent; antimalarial; antineoplastic agent; antiprotozoal drug; antiviral agent; autophagy inhibitor; emetic; expectorant; plant metabolite; protein synthesis inhibitor |
2'-deoxy-5'-adenosine monophosphate 2'-deoxy-5'-adenosine monophosphate: RN given refers to parent cpd. 2'-deoxyadenosine 5'-monophosphate : A purine 2'-deoxyribonucleoside 5'-monophosphate having adenine as the nucleobase. | 2.39 | 2 | 0 | 2'-deoxyadenosine 5'-phosphate; purine 2'-deoxyribonucleoside 5'-monophosphate | fundamental metabolite |
methylnitrosourea Methylnitrosourea: A nitrosourea compound with alkylating, carcinogenic, and mutagenic properties.. N-methyl-N-nitrosourea : A member of the class of N-nitrosoureas that is urea in which one of the nitrogens is substituted by methyl and nitroso groups. | 1.98 | 1 | 0 | N-nitrosoureas | alkylating agent; carcinogenic agent; mutagen; teratogenic agent |
deoxycytidine [no description available] | 3.77 | 11 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
deoxyuridine [no description available] | 2.39 | 2 | 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 |
deoxycytidine monophosphate Deoxycytidine Monophosphate: Deoxycytidine (dihydrogen phosphate). A deoxycytosine nucleotide containing one phosphate group esterified to the deoxyribose moiety in the 2'-,3'- or 5- positions.. 2'-deoxycytosine 5'-monophosphate : A pyrimidine 2'-deoxyribonucleoside 5'-monophosphate having cytosine as the nucleobase. | 2.41 | 2 | 0 | 2'-deoxycytidine phosphate; pyrimidine 2'-deoxyribonucleoside 5'-monophosphate | Escherichia coli metabolite; mouse metabolite |
sodium hydroxide Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 2 | 1 | 0 | alkali metal hydroxide | |
2'-deoxyadenosine triphosphate 2'-deoxyadenosine triphosphate: RN given refers to unlabeled parent cpd | 11.2 | 88 | 3 | 2'-deoxyadenosine 5'-phosphate; purine 2'-deoxyribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite |
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. | 2.1 | 1 | 0 | 2-benzofurans; gamma-lactone; organic heteropentacyclic compound; oxaspiro compound; polyphenol; xanthene dye | fluorescent dye; radioopaque medium |
stavudine Stavudine: A dideoxynucleoside analog that inhibits reverse transcriptase and has in vitro activity against HIV.. stavudine : A nucleoside analogue obtained by formal dehydration across positions 2 and 3 of thymidine. An inhibitor of HIV-1 reverse transcriptase | 2.43 | 2 | 0 | dihydrofuran; nucleoside analogue; organic molecular entity | antimetabolite; antiviral agent; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
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. | 1.98 | 1 | 0 | fluorescein isothiocyanate | |
nitracrine Nitracrine: Acridine antineoplastic agent used in mammary and ovarian tumors. It inhibits RNA synthesis. | 1.96 | 1 | 0 | acridines | |
acetoxyacetylaminofluorene Acetoxyacetylaminofluorene: An alkylating agent that forms DNA ADDUCTS at the C-8 position in GUANINE, resulting in single strand breaks. It has demonstrated carcinogenic action.. N-acetoxy-2-acetamidofluorene : A 2-acetamidofluorene compound in which the parent 2-acetamidofluorene is substituted on nitrogen by an acetoxy group. | 1.99 | 1 | 0 | 2-acetamidofluorenes | carcinogenic agent; mutagen |
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. | 3.5 | 8 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
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. | 2.11 | 1 | 0 | elemental platinum; nickel group element atom; platinum group metal atom | |
zalcitabine Zalcitabine: A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by a hydrogen. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication at low concentrations, acting as a chain-terminator of viral DNA by binding to reverse transcriptase. Its principal toxic side effect is axonal degeneration resulting in peripheral neuropathy.. zalcitabine : A pyrimidine 2',3'-dideoxyribonucleoside compound having cytosine as the nucleobase. | 2.42 | 2 | 0 | pyrimidine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; HIV-1 reverse transcriptase inhibitor |
bromine Bromine: A halogen with the atomic symbol Br, atomic number 35, and atomic weight 79.904. It is a volatile reddish-brown liquid that gives off suffocating vapors, is corrosive to the skin, and may cause severe gastroenteritis if ingested. | 1.99 | 1 | 0 | diatomic bromine | |
metoprine metoprine: histamine methyltransferase antagonist | 1.96 | 1 | 0 | | |
fluorine Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 3.17 | 5 | 0 | diatomic fluorine; gas molecular entity | NMR chemical shift reference compound |
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 1.99 | 1 | 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) | 1.99 | 1 | 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. | 2.04 | 1 | 0 | deuterated compound; water | NMR solvent |
coformycin [no description available] | 2.65 | 3 | 0 | coformycins | EC 3.5.4.4 (adenosine deaminase) inhibitor |
arabinofuranosylcytosine triphosphate Arabinofuranosylcytosine Triphosphate: A triphosphate nucleotide analog which is the biologically active form of CYTARABINE. It inhibits nuclear DNA synthesis. | 1.97 | 1 | 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. | 2.06 | 1 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 1.96 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
zidovudine Zidovudine: A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by an azido group. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA during reverse transcription. It improves immunologic function, partially reverses the HIV-induced neurological dysfunction, and improves certain other clinical abnormalities associated with AIDS. Its principal toxic effect is dose-dependent suppression of bone marrow, resulting in anemia and leukopenia.. zidovudine : A pyrimidine 2',3'-dideoxyribonucleoside compound having a 3'-azido substituent and thymine as the nucleobase. | 3.1 | 5 | 0 | azide; pyrimidine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; HIV-1 reverse transcriptase inhibitor |
ribavirin Rebetron: Rebetron is tradename | 3.49 | 2 | 0 | 1-ribosyltriazole; aromatic amide; monocarboxylic acid amide; primary carboxamide | anticoronaviral agent; antiinfective agent; antimetabolite; antiviral agent; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide: 7,8,8a,9a-Tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity. | 2 | 1 | 0 | epoxide | intercalator |
adefovir adefovir: inhibitor of African swine fever virus. adefovir(1-) : A organophosphonate oxoanion obtained by removal of a proton from the phosphonate group of adefovir, a nucleoside reverse transcriptase inhibitor. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).. adefovir : A member of the class of phosphonic acids that is methylphosphonic acid in which one of the methyl hydrogens has been replaced by a 2-(6-amino-9H-purin-9-yl)ethoxy group. An inhibitor of HIV-1 reverse transcriptase, the bis(t-butoxycarbonyloxymethyl) ester (dipivoxil ester) prodrug is used to treat chronic hepatitis B viral infection. | 2.1 | 1 | 0 | 6-aminopurines; ether; phosphonic acids | antiviral drug; DNA synthesis inhibitor; drug metabolite; HIV-1 reverse transcriptase inhibitor; nephrotoxic agent |
gemcitabine gemcitabine : A 2'-deoxycytidine having geminal fluoro substituents in the 2'-position. An inhibitor of ribonucleotide reductase, gemcitabine is used in the treatment of various carcinomas, particularly non-small cell lung cancer, pancreatic cancer, bladder cancer and breast cancer. | 1.98 | 1 | 0 | organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; environmental contaminant; immunosuppressive agent; photosensitizing agent; prodrug; radiosensitizing agent; xenobiotic |
lamivudine [no description available] | 4.12 | 3 | 1 | 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 |
emtricitabine Emtricitabine: A deoxycytidine analog and REVERSE TRANSCRIPTASE INHIBITOR with antiviral activity against HIV-1 and HEPATITIS B viruses. It is used to treat HIV INFECTIONS.. emtricitabine : An organofluorine compound that is 5-fluorocytosine substituted at the 1 position by a 2-(hydroxymethyl)-1,3-oxathiolan-5-yl group (2R,5S configuration). It is used in combination therapy for the treatment of HIV-1 infection. | 5.03 | 3 | 1 | monothioacetal; nucleoside analogue; organofluorine compound; pyrimidone | antiviral drug; HIV-1 reverse transcriptase inhibitor |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 1.98 | 1 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
thymidine 5'-triphosphate thymidine 5'-triphosphate: RN given refers to parent cpd. dTTP : A thymidine phosphate having a triphosphate group at the 5'-position. | 10.21 | 92 | 1 | pyrimidine 2'-deoxyribonucleoside 5'-triphosphate; thymidine phosphate | Escherichia coli metabolite; mouse metabolite |
2',3'-dideoxythymidine triphosphate ddTTP : A pyrimidine 2',3'-dideoxyribonucleoside 5'-triphosphate having thymine as the nucleobase. | 2.68 | 3 | 0 | pyrimidine 2',3'-dideoxyribonucleoside 5'-triphosphate; thymidine phosphate | |
deoxyuridine triphosphate [no description available] | 3.52 | 8 | 0 | deoxyuridine phosphate; pyrimidine 2'-deoxyribonucleoside 5'-triphosphate | Arabidopsis thaliana metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite |
2'-deoxycytidine 5'-triphosphate 2'-deoxycytidine 5'-triphosphate: RN given refers to unlabeled parent cpd | 9.64 | 79 | 2 | 2'-deoxycytidine phosphate; pyrimidine 2'-deoxyribonucleoside 5'-triphosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
metaperiodate Periodic Acid: A strong oxidizing agent. | 1.96 | 1 | 0 | iodine oxoacid | |
2',3'-dideoxyadenosine triphosphate [no description available] | 3.85 | 2 | 1 | purine deoxyribonucleoside triphosphate | |
o-4-methylthymine O(4)-methylthymine : A methylthymine in which the methyl group is located at the O4-position. | 1.98 | 1 | 0 | aromatic ether; methylthymine | human metabolite |
stavudine triphosphate stavudine triphosphate: shows termination substrate properties in DNA synthesis catalyzed by several different DNA polymerases; also abbreviated d4TTP | 2.05 | 1 | 0 | | |
2'-deoxyxanthosine [no description available] | 1.99 | 1 | 0 | purines 2'-deoxy-D-ribonucleoside | |
3'-deoxyadenosine 5'-triphosphate [no description available] | 2 | 1 | 0 | purine ribonucleoside 5'-triphosphate | antifungal agent; antimetabolite; antineoplastic agent; antiviral agent |
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. | 2 | 1 | 0 | 1,2,3-triazole | |
5,6,7,8-tetrahydro-1-naphthol 5,6,7,8-tetrahydro-1-naphthol : 1-naphthol hydrogenated at C-5, -6, -7 and -8. | 2.06 | 1 | 0 | tetralins | |
avarol avarol: RN given refers to parent cpd; extract from Dysidea avara(sea sponge) | 1.97 | 1 | 0 | | |
avarone avarone: antileukemic agent; isolated from Dysidea avara | 1.97 | 1 | 0 | | |
zidovudine triphosphate [no description available] | 2.71 | 3 | 0 | | |
dmp 323 (4R,5S,6S,7R)-4,7-dibenzyl-5,6-dihydroxy-1,3-bis[4-(hydroxymethyl)benzyl]-1,3-diazepan-2-one : A 1,3-diazepanone ring with two 4-(hydroxymethyl)benzyl groups as substituents at positions N-1 and N-4, two benzyl groups at C-4 and C-7, and two hydroxy groups at C-5 and C-6 respectively. | 2.06 | 1 | 0 | diazepanone; ureas | anti-HIV agent; metabolite |
tretazicar tretazicar: minor descriptor (75-84); on-line & Index Medicus search AZIRIDINES (75-84) | 3.06 | 1 | 0 | | |
estrone 3-methyl ether estrone 3-methyl ether: RN given refers to cpd with unspecified isomeric designation; structure | 2.06 | 1 | 0 | | |
5-formyl-2'-deoxyuridine 5-formyl-2'-deoxyuridine: structure given in first source | 1.99 | 1 | 0 | | |
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. | 2 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
mizoribine [no description available] | 1.99 | 1 | 0 | imidazoles | anticoronaviral agent |
4-ethylthymine [no description available] | 1.98 | 1 | 0 | | |
sc 58125 1-((4-methylsulfonyl)phenyl)-3-trifluoromethyl-5-(4-fluorophenyl)pyrazole: a COX-2 inhibitor | 2.06 | 1 | 0 | organofluorine compound; pyrazoles; sulfone | antineoplastic agent; cyclooxygenase 2 inhibitor |
o(6)-methyldeoxyguanosine triphosphate [no description available] | 1.96 | 1 | 0 | | |
2',3'-dideoxycytidine 5'-triphosphate 2',3'-dideoxycytidine 5'-triphosphate: inhibits vesicular stomatitis virus RNA synthesis | 2.05 | 1 | 0 | | |
5-ethynyl-1-ribofuranosylimidazole-4-carboxamide 5-ethynyl-1-ribofuranosylimidazole-4-carboxamide: used in therapy of experimental leukemia | 1.98 | 1 | 0 | | |
1,(n2)-ethenoguanine 1,(N2)-ethenoguanine: formed from 2-halooxiranes; structure given in first source. 1,N(2)-ethenoguanine : A nucleobase analogue obtained by addition of an etheno group across positions 1 and N2 of guanine. | 1.99 | 1 | 0 | imidazopurine; nucleobase analogue | |
methotrexate [no description available] | 2.67 | 3 | 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 |
2-phenyl-6-(2'-(4'-(ethoxycarbonyl)thiazolyl))thiazolo(3,2-b)(1,2,4)triazole 2-phenyl-6-(2'-(4'-(ethoxycarbonyl)thiazolyl))thiazolo(3,2-b)(1,2,4)triazole: structure given in first source | 2 | 1 | 0 | | |
5,6,7,9-tetrahydro-7-hydroxy-9-oxoimidazo(1,2-a)purine 5,6,7,9-tetrahydro-7-hydroxy-9-oxoimidazo(1,2-a)purine: derivative of N(2)-(2-oxoethyl)guanine; structure given in first source | 1.99 | 1 | 0 | | |
bmy 45778 BMY 45778: structure given in first source; partial prostacyclin agonist | 2.06 | 1 | 0 | bisoxazole | partial prostacyclin agonist |
exp7711 EXP7711: to search, use E#P7711(nm); angiotensin II receptor antagonist; structure given in first source | 2.06 | 1 | 0 | | |
bmy 42393 BMY 42393: partial prostacyclin agonist | 2.06 | 1 | 0 | | |
mk 996 MK 996: an AT1-selective angiotensin II receptor antagonist; structure given in first source | 2.06 | 1 | 0 | | |
ezetimibe Ezetimibe: An azetidine derivative and ANTICHOLESTEREMIC AGENT that inhibits intestinal STEROL absorption. It is used to reduce total CHOLESTEROL; LDL CHOLESTEROL, and APOLIPOPROTEINS B in the treatment of HYPERLIPIDEMIAS.. ezetimibe : A beta-lactam that is azetidin-2-one which is substituted at 1, 3, and 4 by p-fluorophenyl, 3-(p-fluorophenyl)-3-hydroxypropyl, and 4-hydroxyphenyl groups, respectively (the 3R,3'S,4S enantiomer). | 2.06 | 1 | 0 | azetidines; beta-lactam; organofluorine compound | anticholesteremic drug; antilipemic drug; antimetabolite |
3'-deoxycytidine 5'-triphosphate [no description available] | 2 | 1 | 0 | | |
deoxythymidylyl-3'-5'-deoxyadenylate [no description available] | 2.01 | 1 | 0 | | |
5-methyl-2-pyrimidinone 5-methyl-2-pyrimidinone: structure given in first source | 1.98 | 1 | 0 | | |
n(2),3-ethenoguanine N(2),3-ethenoguanine: formed from 2-halooxiranes. N(2),3-ethenoguanine : A nucleobase analogue obtained by addition of an etheno group across positions N2 and 3 of guanine. | 1.98 | 1 | 0 | imidazopurine; nucleobase analogue | |
organophosphonates hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 5.62 | 3 | 2 | divalent inorganic anion; phosphite ion | |
l 158809 L 158809: RN & structure given in first source; angiotensin receptor antagonist | 2.06 | 1 | 0 | | |
2'-deoxyadenosine 5'-o-(1-thiotriphosphate) 2'-deoxyadenosine 5'-O-(1-thiotriphosphate): RN given refers to cpd without isomeric designation; structure. | 2.04 | 1 | 0 | | |
2,3-dihydro-1h-imidazo(1,2-b)pyrazole 2,3-dihydro-1H-imidazo(1,2-b)pyrazole: inhibitor of DNA synthesis | 1.96 | 1 | 0 | | |
8-deoxygartanin 8-deoxygartanin: a butyrylcholinesterase inhibitor; isolated from Garcinia mangostana; structure in first source | 2.21 | 1 | 0 | xanthones | |
s-adenosylhomocysteine S-Adenosylhomocysteine: 5'-S-(3-Amino-3-carboxypropyl)-5'-thioadenosine. Formed from S-adenosylmethionine after transmethylation reactions.. S-adenosyl-L-homocysteine : An organic sulfide that is the S-adenosyl derivative of L-homocysteine. | 1.96 | 1 | 0 | adenosines; amino acid zwitterion; homocysteine derivative; homocysteines; organic sulfide | cofactor; EC 2.1.1.72 [site-specific DNA-methyltransferase (adenine-specific)] inhibitor; EC 2.1.1.79 (cyclopropane-fatty-acyl-phospholipid synthase) inhibitor; epitope; fundamental metabolite |
xanthosine 5'-triphosphate xanthosine 5'-triphosphate: RN given refers to parent cpd | 2 | 1 | 0 | purine ribonucleoside 5'-triphosphate; xanthosine 5'-phosphate | Escherichia coli metabolite; mouse metabolite |
pentostatin Pentostatin: A potent inhibitor of ADENOSINE DEAMINASE. The drug induces APOPTOSIS of LYMPHOCYTES, and is used in the treatment of many lymphoproliferative malignancies, particularly HAIRY CELL LEUKEMIA. It is also synergistic with some other antineoplastic agents and has immunosuppressive activity.. pentostatin : A member of the class of coformycins that is coformycin in which the hydroxy group at position 2' is replaced with a hydrogen. It is a drug used for the treatment of hairy cell leukaemia. | 2.65 | 3 | 0 | coformycins | antimetabolite; antineoplastic agent; Aspergillus metabolite; bacterial metabolite; EC 3.5.4.4 (adenosine deaminase) inhibitor |
adenosine 5'-o-(3-thiotriphosphate) adenosine 5'-O-(3-thiotriphosphate): RN given refers to cpd with unspecified locant for thio group; see also records for 1-thio & 2-thio-isomers. adenosine 5'-[gamma-thio]triphosphate : A nucleoside triphosphate analogue that is ATP in which one of the oxygens attached to 3-phosphate group is replaced by sulfur. | 1.98 | 1 | 0 | nucleoside triphosphate analogue | |
abacavir abacavir: a carbocyclic nucleoside with potent selective anti-HIV activity. abacavir : A 2,6-diaminopurine that is (1S)-cyclopent-2-en-1-ylmethanol in which the pro-R hydrogen at the 4-position is substituted by a 2-amino-6-(cyclopropylamino)-9H-purin-9-yl group. A nucleoside analogue reverse transcriptase inhibitor (NRTI) with antiretroviral activity against HIV, it is used (particularly as the sulfate) with other antiretrovirals in combination therapy of HIV infection. | 10.01 | 3 | 1 | 2,6-diaminopurines | antiviral drug; drug allergen; HIV-1 reverse transcriptase inhibitor |
ferulic acid ferulate : A monocarboxylic acid anion obtained by the deprotonation of the carboxy group of ferulic acid. | 2.13 | 1 | 0 | ferulic acids | anti-inflammatory agent; antioxidant; apoptosis inhibitor; cardioprotective agent; MALDI matrix material; plant metabolite |
mycophenolic acid Mycophenolic Acid: Compound derived from Penicillium stoloniferum and related species. It blocks de novo biosynthesis of purine nucleotides by inhibition of the enzyme inosine monophosphate dehydrogenase (IMP DEHYDROGENASE). Mycophenolic acid exerts selective effects on the immune system in which it prevents the proliferation of T-CELLS, LYMPHOCYTES, and the formation of antibodies from B-CELLS. It may also inhibit recruitment of LEUKOCYTES to sites of INFLAMMATION.. mycophenolate : A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of mycophenolic acid.. mycophenolic acid : A member of the class of 2-benzofurans that is 2-benzofuran-1(3H)-one which is substituted at positions 4, 5, 6, and 7 by methyl, methoxy, (2E)-5-carboxy-3-methylpent-2-en-1-yl, and hydroxy groups, respectively. It is an antibiotic produced by Penicillium brevi-compactum, P. stoloniferum, P. echinulatum and related species. An immunosuppressant, it is widely used (partiularly as its sodium salt and as the 2-(morpholin-4-yl)ethyl ester prodrug, mycophenolate mofetil) to prevent tissue rejection following organ transplants and for the treatment of certain autoimmune diseases. | 4.99 | 9 | 1 | 2-benzofurans; gamma-lactone; monocarboxylic acid; phenols | anticoronaviral agent; antimicrobial agent; antineoplastic agent; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; environmental contaminant; immunosuppressive agent; mycotoxin; Penicillium metabolite; xenobiotic |
3'-azido-2',3'-dideoxyadenosine [no description available] | 2.05 | 1 | 0 | | |
TTP [no description available] | 2.44 | 2 | 0 | pyrimidine ribonucleoside 5'-triphosphate | |
decitabine [no description available] | 2.17 | 1 | 0 | 2'-deoxyribonucleoside | |
lamivudine triphosphate [no description available] | 4.12 | 3 | 1 | | |
tiazofurin tiazofurin: RN given refers to (beta-D)-isomer; structure given in first source. tiazofurine : A C-glycosyl compound that is 1,3-thiazole-4-carboxamide in which the hydrogen at position 2 has been replaced by a beta-D-ribofuranosyl group. It is metabolised to thiazole-4-carboxamide adenine dinucleotide (TAD), a selective inhibitor of inosine monophosphate dehydrogenase (IMP dehydrogenase). | 3.49 | 2 | 0 | 1,3-thiazoles; C-glycosyl compound; monocarboxylic acid amide | antineoplastic agent; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; prodrug |
aphidicolin Aphidicolin: An antiviral antibiotic produced by Cephalosporium aphidicola and other fungi. It inhibits the growth of eukaryotic cells and certain animal viruses by selectively inhibiting the cellular replication of DNA polymerase II or the viral-induced DNA polymerases. The drug may be useful for controlling excessive cell proliferation in patients with cancer, psoriasis or other dermatitis with little or no adverse effect upon non-multiplying cells.. aphidicolin : A tetracyclic diterpenoid that has an tetradecahydro-8,11a-methanocyclohepta[a]naphthalene skeleton with two hydroxymethyl substituents at positions 4 and 9, two methyl substituents at positions 4 and 11b and two hydroxy substituents at positions 3 and 9. An antibiotic with antiviral and antimitotical properties. Aphidicolin is a reversible inhibitor of eukaryotic nuclear DNA replication. | 2.37 | 2 | 0 | tetracyclic diterpenoid | antimicrobial agent; antimitotic; antineoplastic agent; antiviral drug; apoptosis inducer; Aspergillus metabolite; DNA synthesis inhibitor; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; fungal metabolite |
tenofovir tenofovir (anhydrous) : A member of the class of phosphonic acids that is methylphosphonic acid in which one of the methyl hydrogens is replaced by a [(2R)-1-(6-amino-9H-purin-9-yl)propan-2-yl]oxy group. An inhibitor of HIV-1 reverse transcriptase, the bis(isopropyloxycarbonyloxymethyl) ester (disoproxil ester) prodrug is used as the fumaric acid salt in combination therapy for the treatment of HIV infection. | 6.69 | 4 | 3 | nucleoside analogue; phosphonic acids | antiviral drug; drug metabolite; HIV-1 reverse transcriptase inhibitor |
5-hydroxy-2'-deoxycytidine 5-hydroxy-2'-deoxycytidine: a major oxidation product of 2'-deoxycytidine | 1.99 | 1 | 0 | | |
2'-deoxyoxanosine 2'-deoxyoxanosine: structure given in first source | 1.99 | 1 | 0 | | |
riboflavin vitamin B2 : Any member of a group of vitamers that belong to the chemical structural class called flavins that exhibit biological activity against vitamin B2 deficiency. Symptoms associated with vitamin B2 deficiency include glossitis, seborrhea, angular stomaitis, cheilosis and photophobia. The vitamers include riboflavin and its phosphate derivatives (and includes their salt, ionised and hydrate forms). | 2.01 | 1 | 0 | flavin; vitamin B2 | anti-inflammatory agent; antioxidant; cofactor; Escherichia coli metabolite; food colouring; fundamental metabolite; human urinary metabolite; mouse metabolite; photosensitizing agent; plant metabolite |
sodium acetate, anhydrous Sodium Acetate: The trihydrate sodium salt of acetic acid, which is used as a source of sodium ions in solutions for dialysis and as a systemic and urinary alkalizer, diuretic, and expectorant. | 2 | 1 | 0 | organic sodium salt | NMR chemical shift reference compound |
pyrophosphate Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 3.26 | 6 | 0 | diphosphate ion | |
sesquiterpenes [no description available] | 1.97 | 1 | 0 | | |
thioguanine anhydrous Thioguanine: An antineoplastic compound which also has antimetabolite action. The drug is used in the therapy of acute leukemia.. tioguanine : A 2-aminopurine that is the 6-thiono derivative of 2-amino-1,9-dihydro-6H-purine. Incorporates into DNA and inhibits synthesis. Used in the treatment of leukaemia. | 1.98 | 1 | 0 | 2-aminopurines | anticoronaviral agent; antimetabolite; antineoplastic agent |
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 | 1 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
8-azidoadenosine 5'-triphosphate [no description available] | 1.96 | 1 | 0 | | |
5-carboxytetramethylrhodamine succinimidyl ester [no description available] | 2.25 | 1 | 0 | | |
2'-deoxy-6-thioguanosine 5'-triphosphate [no description available] | 1.97 | 1 | 0 | | |
alpha-2'-deoxythioguanosine alpha-2'-deoxythioguanosine: structure | 2.1 | 1 | 0 | | |
telaprevir [no description available] | 2.06 | 1 | 0 | cyclopentapyrrole; cyclopropanes; oligopeptide; pyrazines | antiviral drug; hepatitis C protease inhibitor; peptidomimetic |
nelarabine nelarabine: prodrug of ara-G. nelarabine : A purine nucleoside in which O-methylguanine is attached to arabinofuranose via a beta-N(9)-glycosidic bond. Inhibits DNA synthesis and causes cell death; a prodrug of 9-beta-D-arabinofuranosylguanine (ara-G). | 2.06 | 1 | 0 | beta-D-arabinoside; monosaccharide derivative; purine nucleoside | antineoplastic agent; DNA synthesis inhibitor; prodrug |
cystine [no description available] | 1.99 | 1 | 0 | | |
chaetomellic acid a chaetomellic acid A: structure given in first source; an inhibitor of farnesyl-protein transferase | 2.06 | 1 | 0 | | |
bromodeoxyuridine triphosphate [no description available] | 1.96 | 1 | 0 | | |
mangiferin shamimin: isolated from the leaves of Bombax ceiba; structure in first source | 2.21 | 1 | 0 | C-glycosyl compound; xanthones | anti-inflammatory agent; antioxidant; hypoglycemic agent; plant metabolite |
mangostin mangostin: xanthone from rind of Garcinia mangostana Linn. fruit. alpha-mangostin : A member of the class of xanthones that is 9H-xanthene substituted by hydroxy group at positions 1, 3 and 6, a methoxy group at position 7, an oxo group at position 9 and prenyl groups at positions 2 and 8. Isolated from the stems of Cratoxylum cochinchinense, it exhibits antioxidant, antimicrobial and antitumour activities. | 2.21 | 1 | 0 | aromatic ether; phenols; xanthones | antimicrobial agent; antineoplastic agent; antioxidant; plant metabolite |
norathyriol norathyriol: from Gentinanaceae; has vasorelaxing action on rat thoracic aorta; structure given in first source. norathyriol : A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, 6 and 7. Isolated from Garcinia mangostana and Maclura pomifera, it exhibits inhibitory activity against protein kinase C. | 2.21 | 1 | 0 | polyphenol; xanthones | antineoplastic agent; EC 2.7.11.13 (protein kinase C) inhibitor; plant metabolite |
ophiocordin azepinostatin: isolated from Fusarium merismoides; structure in first source; RN assigned by CAS - 63590-19-2 (ophiocordin; azepinostatin is not the same as ophiocordin) | 2.06 | 1 | 0 | | |
upf 596 UPF 596: structure in first source | 2.06 | 1 | 0 | | |
iloprost Iloprost: An eicosanoid, derived from the cyclooxygenase pathway of arachidonic acid metabolism. It is a stable and synthetic analog of EPOPROSTENOL, but with a longer half-life than the parent compound. Its actions are similar to prostacyclin. Iloprost produces vasodilation and inhibits platelet aggregation.. iloprost : A carbobicyclic compound that is prostaglandin I2 in which the endocyclic oxygen is replaced by a methylene group and in which the (1E,3S)-3-hydroxyoct-1-en-1-yl side chain is replaced by a (3R)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl group. A synthetic analogue of prostacyclin, it is used as the trometamol salt (generally by intravenous infusion) for the treatment of peripheral vascular disease and pulmonary hypertension. | 2.06 | 1 | 0 | carbobicyclic compound; monocarboxylic acid; secondary alcohol | platelet aggregation inhibitor; vasodilator agent |
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 1.98 | 1 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
8-hydroxyadenine 8-hydroxyadenine: xanthine oxidase reacted adenine metabolite in epidermis of hairless mice; structure. 8-oxoadenine : An oxopurine that is adenine bearing a single oxo substituent at position 8.. 8-hydroxyadenine : A nucleobase analogue that is adenine bearing a single hydroxy substituent at position 8. | 2.25 | 1 | 0 | 6-aminopurines; heteroaryl hydroxy compound; nucleobase analogue; oxopurine | bacterial metabolite; human metabolite |
deoxyribose [no description available] | 2.45 | 2 | 0 | deoxypentose | human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 2.01 | 1 | 0 | cysteinium | fundamental metabolite |
azodicarbonamide [no description available] | 2.01 | 1 | 0 | organic molecular entity | |
gamma-mangostin gamma-mangostin : A member of the class of xanthones that is 9H-xanthene substituted by hydroxy group at positions 1, 3, 6 and 7, an oxo group at position 9 and prenyl groups at positions 2 and 8. Isolated from the stems of Cratoxylum cochinchinense, it exhibits antitumour activity. | 2.21 | 1 | 0 | phenols; xanthones | antineoplastic agent; plant metabolite; protein kinase inhibitor |
tenofovir diphosphate [no description available] | 2.05 | 1 | 0 | | |
1,3,7-trihydroxy-2-(3-methylbut-2-enyl)-xanthone 1,3,7-trihydroxy-2-(3-methylbut-2-enyl)-xanthone: from stems of Kielmeyera coriacea; structure in first source | 2.21 | 1 | 0 | | |
tenofovir disoproxil fumarate tenofovir disoproxil fumarate : A fumarate salt prepared from equimolar amounts of tenofovir disoproxil and fumaric acid. It is used in combination therapy for the treatment of HIV infection. | 2.05 | 1 | 0 | fumarate salt | antiviral drug; HIV-1 reverse transcriptase inhibitor; prodrug |
4-methyl-5-amino-1-formylisoquinoline thiosemicarbazone 4-methyl-5-amino-1-formylisoquinoline thiosemicarbazone: structure | 1.96 | 1 | 0 | | |
3-aminopyridine-2-carboxaldehyde thiosemicarbazone 3-aminopyridine-2-carboxaldehyde thiosemicarbazone: a neuroprotective agent; structure given in first source | 3.4 | 1 | 1 | | |
racivir [no description available] | 1.99 | 1 | 0 | | |
way 133537 [no description available] | 2.06 | 1 | 0 | | |
dpc 423 [no description available] | 2.06 | 1 | 0 | | |
tetramethylrhodamine tetramethylrhodamine: RN given refers to perchlorate; structure | 2 | 1 | 0 | xanthene dye | |
3,4,5,6-tetrahydroxyxanthone [no description available] | 2.21 | 1 | 0 | | |
snap 6201 [no description available] | 2.06 | 1 | 0 | | |
2-hydroxydeoxyadenosine triphosphate 2-hydroxy-dATP : A purine 2'-deoxyribonucleoside 5'-triphosphate in which the 2'-deoxyribonucleoside moiety is 2'-deoxy-2-hydroxyadenosine. | 2.03 | 1 | 0 | purine 2'-deoxyribonucleoside 5'-triphosphate | |
oxadiazoles Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 2.25 | 1 | 0 | | |
ribose ribopyranose : The pyranose form of ribose. | 2 | 1 | 0 | D-ribose; ribopyranose | |
amenamevir ASP2151: a herpesvirus helicase-primase inhibitor, in a guinea pig model of genital herpes; structure in first source | 2.25 | 1 | 0 | | |
o-methylthymidine O-methylthymidine: RN given refers to (beta)-isomer | 1.97 | 1 | 0 | | |
3-isomangostin 3-isomangostin: structure in first source | 2.21 | 1 | 0 | xanthones | |
oligonucleotides [no description available] | 3.6 | 9 | 0 | | |
1,3-diaza-2-oxophenoxazine 1,3-diaza-2-oxophenoxazine: structure in first source | 2.05 | 1 | 0 | | |
5-ethynyl-2'-deoxyuridylic acid 5-ethynyl-2'-deoxyuridylic acid: thymidylate synthetase inhibitor; structure in first source | 2.25 | 1 | 0 | | |
s-adenosylmethionine (R)-S-adenosyl-L-methionine : An S-adenosyl-L-methionine that has R-configuration.. S-adenosyl-L-methionine zwitterion : A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.. (R)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has R-configuration; major species at pH 7.3.. (S)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has S-configuration; major species at pH 7.3.. S-adenosyl-L-methionine : A sulfonium compound that is the S-adenosyl derivative of L-methionine. It is an intermediate in the metabolic pathway of methionine. | 1.96 | 1 | 0 | organic cation; sulfonium compound | coenzyme; cofactor; human metabolite; micronutrient; Mycoplasma genitalium metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
4,4-difluoro-4-bora-3a,4a-diaza-s-indacene [no description available] | 2.03 | 1 | 0 | BODIPY compound | |
garcinone c garcinone C: an acetylcholinesterase inhibitor; isolated from Garcinia mangostana; structure in first source | 2.21 | 1 | 0 | xanthones | |
guanidinohydantoin guanidinohydantoin: structure in first source. 5-guanidinohydantoin : An imidazolidine-2,4-dione substituted by a guanidino group at position 5. | 2.13 | 1 | 0 | guanidines; imidazolidine-2,4-dione | |
p(1),p(5)-di(adenosine-5'-)pentaphosphate P(1),P(5)-di(adenosine-5'-)pentaphosphate: structure. P(1),P(5)-bis(5'-adenosyl) pentaphosphate(5-) : An organophosphate oxoanion arising from global deprotonation of the pentaphosphate OH groups of P(1),P(5)-bis(5'-adenosyl) pentaphosphate. | 1.98 | 1 | 0 | organophosphate oxoanion | |
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. | 2.13 | 1 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
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. | 1.98 | 1 | 0 | benzenes; hydroxycoumarin; methyl ketone | |
ent-crizotinib ent-crizotinib : A 3-[1-(2,6-dichloro-3-fluorophenyl)ethoxy]-5-[1-(piperidin-4-yl)pyrazol-4-yl]pyridin-2-amine that is the (S)-enantiomer of crizotinib. | 2.21 | 1 | 0 | 3-[1-(2,6-dichloro-3-fluorophenyl)ethoxy]-5-[1-(piperidin-4-yl)pyrazol-4-yl]pyridin-2-amine | |
spiroiminodihydantoin spiroiminodihydantoin: structure in first source. spiroiminodihydantoin : An azaspiro compound that is 1,3,6,8-tetraazaspiro[4.4]non-6-ene which is substituted by oxo groups at positions 2, 4, and 9. Both enantiomers are highly mutagenic products resulting from the oxidation of guanine and 8-oxo-7,8-dihydroguanine in DNA by reactive oxygen species. | 2.11 | 1 | 0 | azaspiro compound | mutagen |
nitrophenols Nitrophenols: PHENOLS carrying nitro group substituents. | 2.1 | 1 | 0 | | |
cobamamide cobamamide : A member of the class of cobalamins that is vitamin B12 in which the cyano group is replaced by a 5'-deoxyadenos-5'-yl moiety. It is one of the two metabolically active form of vitamin B12. | 2.4 | 2 | 0 | | |
cyclosporine Cyclosporine: A cyclic undecapeptide from an extract of soil fungi. It is a powerful immunosupressant with a specific action on T-lymphocytes. It is used for the prophylaxis of graft rejection in organ and tissue transplantation. (From Martindale, The Extra Pharmacopoeia, 30th ed). | 2.01 | 1 | 0 | | |
acyclovir Acyclovir: A GUANOSINE analog that acts as an antimetabolite. Viruses are especially susceptible. Used especially against herpes.. acyclovir : An oxopurine that is guanine substituted by a (2-hydroxyethoxy)methyl substituent at position 9. Used in the treatment of viral infections. | 8.09 | 5 | 0 | 2-aminopurines; oxopurine | antimetabolite; antiviral drug |
8-oxodeoxyguanosine triphosphate 8-oxodeoxyguanosine triphosphate: mutagenic nucleotide; hydrolyzed by 8-oxodGTPase to 8-oxodGMP. 8-oxo-dGTP : A purine 2'-deoxyribonucleoside 5'-triphosphate having 8-oxo-7,8-dihydroguanine as the nucleobase. | 3.3 | 6 | 0 | purine 2'-deoxyribonucleoside 5'-triphosphate | mutagen |
cyclic gmp Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed). 3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine. | 2.11 | 1 | 0 | 3',5'-cyclic purine nucleotide; guanyl ribonucleotide | Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
deoxyguanosine [no description available] | 10.79 | 29 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
deoxyinosine [no description available] | 2 | 1 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
2'-deoxyguanosine 5'-phosphate 2'-deoxyguanosine 5'-phosphate: RN given refers to parent cpd.. 2'-deoxyguanosine 5'-monophosphate : A purine 2'-deoxyribonucleoside 5'-monophosphate having guanine as the nucleobase. | 3.6 | 9 | 0 | deoxyguanosine phosphate; guanyl deoxyribonucleotide; purine 2'-deoxyribonucleoside 5'-monophosphate | Escherichia coli metabolite; mouse metabolite |
dihydrofolate dihydrofolic acid : A folic acid derivative acted upon by dihydrofolate reductase to produce tetrahydrofolic acid. It interacts with bacteria during cell division and is targeted by various drugs to prevent nucleic acid synthesis. | 1.97 | 1 | 0 | dihydrofolic acids | Escherichia coli metabolite; mouse metabolite |
2'-deoxyinosine triphosphate 2'-deoxyinosine triphosphate: can be used an an alternative for dGTP | 2.43 | 2 | 0 | deoxyinosine phosphate; purine 2'-deoxyribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite |
guanosine diphosphate Guanosine Diphosphate: A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. | 3.6 | 9 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor |
guanosine monophosphate Guanosine Monophosphate: A guanine nucleotide containing one phosphate group esterified to the sugar moiety and found widely in nature.. guanosine 5'-monophosphate : A purine ribonucleoside 5'-monophosphate having guanine as the nucleobase. | 2.72 | 3 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | biomarker; Escherichia coli metabolite; metabolite; mouse metabolite |
guanosine triphosphate Guanosine Triphosphate: Guanosine 5'-(tetrahydrogen triphosphate). A guanine nucleotide containing three phosphate groups esterified to the sugar moiety. | 6.62 | 40 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor |
guanine [no description available] | 4.43 | 22 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanosine ribonucleoside : Any nucleoside where the sugar component is D-ribose. | 3.78 | 11 | 0 | guanosines; purines D-ribonucleoside | fundamental metabolite |
hypoxanthine [no description available] | 2.67 | 3 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
inosinic acid Inosine Monophosphate: Inosine 5'-Monophosphate. A purine nucleotide which has hypoxanthine as the base and one phosphate group esterified to the sugar moiety. | 3.79 | 3 | 0 | inosine phosphate; purine ribonucleoside 5'-monophosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
inosine [no description available] | 3.08 | 5 | 0 | inosines; purines D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
inosine triphosphate Inosine Triphosphate: Inosine 5'-(tetrahydrogen triphosphate). An inosine nucleotide containing three phosphate groups esterified to the sugar moiety. Synonym: IRPPP. | 2.71 | 3 | 0 | inosine phosphate; purine ribonucleoside 5'-triphosphate | Escherichia coli metabolite; human metabolite; mouse 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. | 2.43 | 2 | 0 | folic acids; N-acyl-amino acid | human metabolite; mouse metabolite; nutrient |
didanosine Didanosine: A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by a hydrogen. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. Didanosine is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA by binding to reverse transcriptase; ddI is then metabolized to dideoxyadenosine triphosphate, its putative active metabolite.. didanosine : A purine 2',3'-dideoxyribonucleoside that is inosine in which the hydroxy groups at both the 2' and the 3' positions on the sugar moiety have been replaced by hydrogen. An antiviral drug, it is used as a medication to treat HIV/AIDS. | 3.85 | 2 | 1 | purine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor; geroprotector; HIV-1 reverse transcriptase inhibitor |
ganciclovir [no description available] | 2.41 | 2 | 0 | 2-aminopurines; oxopurine | antiinfective agent; antiviral drug |
penciclovir penciclovir : A member of the class of 2-aminopurines that is guanine in which the hydrogen at position 9 is substituted by a 4-hydroxy-3-(hydroxymethyl)but-1-yl group. An antiviral drug, it is administered topically for treatment of herpes labialis. A prodrug, famciclovir, is used for oral administration. | 1.99 | 1 | 0 | 2-aminopurines; propane-1,3-diols | antiviral drug |
8-amino-9-(2-thienylmethyl)guanine [no description available] | 1.97 | 1 | 0 | | |
inosine dialdehyde inosine dialdehyde: do not confuse synonym ''diglycolaldehyde'' with synonym of same name for oxydiacetaldehyde (C4H603); RN given refers to (R-(R*,R*))-isomer; structure | 1.96 | 1 | 0 | | |
acyclovir triphosphate [no description available] | 2.39 | 2 | 0 | | |
forodesine forodesine: structure in first source | 7.1 | 8 | 2 | dihydroxypyrrolidine; pyrrolopyrimidine | |
lometrexol lometrexol: RN & structure given in first source; | 1.99 | 1 | 0 | | |
lobucavir lobucavir: inhibits the replication of HIV virus in T cells, monocytes & macrophages in vitro by inhibiting DNA polymerase and viral DNA synthesis | 1.97 | 1 | 0 | | |
peldesine peldesine: potent inhibitor of human CCRF-CEM T-cell proliferation; structure given in first source | 1.99 | 1 | 0 | | |
ci 972 CI 972: structure given in first source | 2.89 | 4 | 0 | | |
2'-deoxyguanosine 3',5'-diphosphate 2'-deoxyguanosine 3',5'-diphosphate: a zinc ion chelating agent | 2.11 | 1 | 0 | | |
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. | 2.43 | 2 | 0 | oxopurine | |
acyclovir monophosphate acyclovir monophosphate: structure given in first source | 2.03 | 1 | 0 | | |
3'-azido-2',3'-dideoxyguanosine [no description available] | 2.05 | 1 | 0 | | |
bis(3',5')-cyclic diguanylic acid [no description available] | 2.11 | 1 | 0 | cyclic purine dinucleotide; guanyl ribonucleotide | immunomodulator; signalling molecule |
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. | 2.52 | 2 | 0 | guanosines | biomarker |
5,8-dideazaisofolic acid 5,8-dideazaisofolic acid: structure given in first source | 1.96 | 1 | 0 | | |
9-deazaguanine [no description available] | 1.98 | 1 | 0 | | |
9-arabinofuranosylguanine 9-arabinofuranosylguanine: RN given refers to (beta)-isomer. 9-beta-D-arabinofuranosylguanine : A purine nucleoside in which guanine is attached to arabinofuranose via a beta-N(9)-glycosidic bond. It inhibits DNA synthesis and causes cell death. | 2.7 | 3 | 0 | beta-D-arabinoside; purine nucleoside | antineoplastic agent; DNA synthesis inhibitor |
carbovir triphosphate carbovir triphosphate: metabolite of abacavir. carbovir triphosphate : The organic triphosphate that is the 5'-triphosphate of (-)-carbovir. | 5.41 | 5 | 1 | organic triphosphate | |
8-hydroxyguanosine triphosphate [no description available] | 2.02 | 1 | 0 | | |
9-deaza-9-(3-thienylmethyl)guanine [no description available] | 2.67 | 3 | 0 | | |
ganciclovir triphosphate [no description available] | 2.03 | 1 | 0 | | |
8-aminoguanosine [no description available] | 2.88 | 4 | 0 | | |
n(2)-(4-n-butylphenyl) 2'-deoxyguanosine N(2)-(4-n-butylphenyl) 2'-deoxyguanosine: RN & structure given in first source | 1.98 | 1 | 0 | | |
2'-deoxy-7-deazaguanosine triphosphate 2'-deoxy-7-deazaguanosine triphosphate: has been proposed as a replacement for dGTP | 1.99 | 1 | 0 | | |
9-beta-d-arabinofuranosylguanosine 5'-triphosphate [no description available] | 2.48 | 2 | 0 | | |
2',3'-dideoxyguanosine 5'-triphosphate [no description available] | 2.66 | 3 | 0 | | |
6-(4-hydroxyphenylhydrazino)uracil 6-(4-hydroxyphenylhydrazino)uracil: antimicrobial agent which selectively blocks replication of DNA synthesis in Bacillus subtilis by inhibiting DNA polymerase III | 1.97 | 1 | 0 | | |
n(2)-(4-n-butylphenyl)-2'-deoxyguanosine 5'-triphosphate N(2)-(4-n-butylphenyl)-2'-deoxyguanosine 5'-triphosphate: RN & structure given in first source; RN given refers to parent cpd | 1.98 | 1 | 0 | | |
2'-carbodeoxyguanosine [no description available] | 1.98 | 1 | 0 | | |
n-(deoxyguanosin-8-yl)-2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine N-(deoxyguanosin-8-yl)-2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine: structure given in first source; major adduct formed by the food-borne carcinogen 2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine with DNA | 2.03 | 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. | 1.96 | 1 | 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. | 3.07 | 5 | 0 | | |
pyrimidinones Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 7.19 | 9 | 2 | | |