Substance | Relationship Strength | Studies | Trials | Classes | Roles |
cytosine [no description available] | 1.96 | 1 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
orotic acid Orotic Acid: An intermediate product in PYRIMIDINE synthesis which plays a role in chemical conversions between DIHYDROFOLATE and TETRAHYDROFOLATE.. orotic acid : A pyrimidinemonocarboxylic acid that is uracil bearing a carboxy substituent at position C-6. | 1.96 | 1 | 0 | pyrimidinemonocarboxylic acid | Escherichia coli metabolite; metabolite; mouse metabolite |
amantadine amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | 1.96 | 1 | 0 | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
caffeine [no description available] | 1.96 | 1 | 0 | purine alkaloid; trimethylxanthine | adenosine A2A receptor antagonist; adenosine receptor antagonist; adjuvant; central nervous system stimulant; diuretic; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; environmental contaminant; food additive; fungal metabolite; geroprotector; human blood serum metabolite; mouse metabolite; mutagen; plant metabolite; psychotropic drug; ryanodine receptor agonist; xenobiotic |
valproic acid Valproic Acid: A fatty acid with anticonvulsant and anti-manic properties that is used in the treatment of EPILEPSY and BIPOLAR DISORDER. The mechanisms of its therapeutic actions are not well understood. It may act by increasing GAMMA-AMINOBUTYRIC ACID levels in the brain or by altering the properties of VOLTAGE-GATED SODIUM CHANNELS.. valproic acid : A branched-chain saturated fatty acid that comprises of a propyl substituent on a pentanoic acid stem. | 2.08 | 1 | 0 | branched-chain fatty acid; branched-chain saturated fatty acid | anticonvulsant; antimanic drug; EC 3.5.1.98 (histone deacetylase) inhibitor; GABA agent; neuroprotective agent; psychotropic drug; teratogenic agent |
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. | 1.95 | 1 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
iofetamine Iofetamine: An amphetamine analog that is rapidly taken up by the lungs and from there redistributed primarily to the brain and liver. It is used in brain radionuclide scanning with I-123. | 1.98 | 1 | 0 | | |
thymidine [no description available] | 2.88 | 4 | 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. | 2.36 | 2 | 0 | nucleoside analogue; organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; radiosensitizing agent |
triethylenemelamine Triethylenemelamine: Toxic alkylating agent used in industry; also as antineoplastic and research tool to produce chromosome aberrations and cancers. | 1.99 | 1 | 0 | 1,3,5-triazines | alkylating agent; insect sterilant |
bromouracil Bromouracil: 5-Bromo-2,4(1H,3H)-pyrimidinedione. Brominated derivative of uracil that acts as an antimetabolite, substituting for thymine in DNA. It is used mainly as an experimental mutagen, but its deoxyriboside (BROMODEOXYURIDINE) is used to treat neoplasms.. 5-bromouracil : A pyrimidine having keto groups at the 2- and 4-positions and a bromo group at the 5-position. Used mainly as an experimental mutagen. | 1.95 | 1 | 0 | nucleobase analogue; pyrimidines | mutagen |
idoxuridine [no description available] | 5.65 | 19 | 1 | organoiodine compound; pyrimidine 2'-deoxyribonucleoside | antiviral drug; DNA synthesis inhibitor |
biguanides Biguanides: Derivatives of biguanide (the structure formula HN(C(NH)NH2)2) that are primarily used as oral HYPOGLYCEMIC AGENTS for the treatment of DIABETES MELLITUS, TYPE 2 and PREDIABETES.. biguanides : A class of oral hypoglycemic drugs used for diabetes mellitus or prediabetes treatment. They have a structure based on the 2-carbamimidoylguanidine skeleton. | 1.96 | 1 | 0 | guanidines | |
uridine [no description available] | 1.96 | 1 | 0 | uridines | drug metabolite; fundamental metabolite; human 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. | 3.06 | 5 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent |
cytidine [no description available] | 2.37 | 2 | 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. | 1.95 | 1 | 0 | cytidine 5'-phosphate; pyrimidine ribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite |
cytarabine [no description available] | 3.06 | 5 | 0 | beta-D-arabinoside; monosaccharide derivative; pyrimidine nucleoside | antimetabolite; antineoplastic agent; antiviral agent; immunosuppressive agent |
trifluridine Trifluridine: An antiviral derivative of THYMIDINE used mainly in the treatment of primary keratoconjunctivitis and recurrent epithelial keratitis due to HERPES SIMPLEX virus. (From Martindale, The Extra Pharmacopoeia, 30th ed, p557). trifluridine : A pyrimidine 2'-deoxyribonucleoside compound having 5-trifluoromethyluracil as the nucleobase. An antiviral drug used mainly in the treatment of primary keratoconjunctivitis and recurrent epithelial keratitis. | 3.22 | 6 | 0 | nucleoside analogue; organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; EC 2.1.1.45 (thymidylate synthase) inhibitor |
deoxycytidine [no description available] | 6.98 | 42 | 2 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
deoxyuridine [no description available] | 3.36 | 7 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
2'-deoxyadenosine triphosphate 2'-deoxyadenosine triphosphate: RN given refers to unlabeled parent cpd | 1.95 | 1 | 0 | 2'-deoxyadenosine 5'-phosphate; purine 2'-deoxyribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite |
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 | 1.96 | 1 | 0 | dihydrofuran; nucleoside analogue; organic molecular entity | antimetabolite; antiviral agent; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
vidarabine adenine arabinoside : A purine nucleoside in which adenine is attached to arabinofuranose via a beta-N(9)-glycosidic bond. | 4.6 | 6 | 1 | beta-D-arabinoside; purine nucleoside | antineoplastic agent; bacterial metabolite; nucleoside antibiotic |
lanthanum [no description available] | 1.97 | 1 | 0 | f-block element atom; lanthanoid atom; scandium group element atom | |
technetium Technetium: The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years. | 1.97 | 1 | 0 | manganese group element atom | |
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. | 1.93 | 1 | 0 | diatomic bromine | |
alovudine [no description available] | 2.08 | 1 | 0 | pyrimidine 2',3'-dideoxyribonucleoside | |
fialuridine [no description available] | 1.95 | 1 | 0 | | |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 1.96 | 1 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
lanthanum chloride lanthanum chloride: RN given refers to parent cpd | 1.97 | 1 | 0 | | |
thymidine 5'-triphosphate thymidine 5'-triphosphate: RN given refers to parent cpd. dTTP : A thymidine phosphate having a triphosphate group at the 5'-position. | 1.95 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside 5'-triphosphate; thymidine phosphate | Escherichia coli metabolite; mouse metabolite |
5-methylcytosine 5-Methylcytosine: A methylated nucleotide base found in eukaryotic DNA. In ANIMALS, the DNA METHYLATION of CYTOSINE to form 5-methylcytosine is found primarily in the palindromic sequence CpG. In PLANTS, the methylated sequence is CpNpGp, where N can be any base.. 5-methylcytosine : A pyrimidine that is a derivative of cytosine, having a methyl group at the 5-position. | 1.96 | 1 | 0 | methylcytosine; pyrimidines | human metabolite |
thymine arabinoside thymine arabinoside: selectively inhibits replication of herpes simplex virus | 2.37 | 2 | 0 | N-glycosyl compound | |
methylthymidine methylthymidine: RN given refers to N-3-methylthymidine | 1.96 | 1 | 0 | | |
2'-deoxycytidine 5'-triphosphate 2'-deoxycytidine 5'-triphosphate: RN given refers to unlabeled parent cpd | 1.95 | 1 | 0 | 2'-deoxycytidine phosphate; pyrimidine 2'-deoxyribonucleoside 5'-triphosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
2',3'-dideoxythymidine [no description available] | 1.96 | 1 | 0 | | |
5'-amino-2',5'-dideoxythymidine 5'-amino-5'-deoxythymidine: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
5-chloro-2'-deoxyuridine [no description available] | 1.96 | 1 | 0 | | |
5-iodouracil 5-iodouracil: RN given refers to parent cpd. 5-iodouracil : An organoiodine compound consisting of uracil having an iodo substituent at the 5-position. | 1.95 | 1 | 0 | organoiodine compound | antimetabolite |
moroxydine [no description available] | 1.96 | 1 | 0 | biguanides | |
clevudine [no description available] | 1.95 | 1 | 0 | | |
5-chloro-2'-deoxycytidine [no description available] | 1.96 | 1 | 0 | | |
3'-amino-2',3'-dideoxythymidine [no description available] | 1.96 | 1 | 0 | | |
5-amino-2'-deoxyuridine 5-amino-2'-deoxyuridine: structure in first source | 2.36 | 2 | 0 | | |
n,n,n'-trimethyl-n'-(2-hydroxy-3-methyl-5-iodobenzyl)-1,3-propanediamine N,N,N'-trimethyl-N'-(2-hydroxy-3-methyl-5-iodobenzyl)-1,3-propanediamine: brain perfusion imaging agent; structure given in first source | 1.98 | 1 | 0 | | |
5'-amino-5-iodo-2',5'-dideoxyuridine [no description available] | 1.95 | 1 | 0 | | |
n(3)-ethylthymidine N(3)-ethylthymidine: structure given in first source | 1.95 | 1 | 0 | | |
5-propyl-2'-deoxyuridine 5-propyl-2'-deoxyuridine: RN given refers to parent cpd | 1.95 | 1 | 0 | | |
5,6-dihydrothymidine 5,6-dihydrothymidine: RN given refers to cpd without isomeric designation. 5,6-dihydrothymidine : A pyrimidine 2'-deoxyribonucleoside having dihydrothymine as the nucleobase. | 1.96 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Mycoplasma genitalium metabolite |
5-methyldeoxycytidine [no description available] | 2.36 | 2 | 0 | 2'-deoxycytidine | |
brivudine brivudine: anti-herpes agent | 2.39 | 2 | 0 | | |
carbodine carbodine: RN given refers to (R-(1alpha,2beta,3beta,4alpha))-isomer | 1.96 | 1 | 0 | | |
bromodeoxycytidine Bromodeoxycytidine: 5-Bromo-2'-deoxycytidine. Can be incorporated into DNA in the presence of DNA polymerase, replacing dCTP. | 6.93 | 40 | 2 | | |
5-cyano-2'-deoxyuridine 5-cyano-2'-deoxyuridine: structure in first source | 1.95 | 1 | 0 | | |
methisazone Methisazone: An antiviral agent effective against pox viruses. | 1.96 | 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. | 1.96 | 1 | 0 | 2-aminopurines | anticoronaviral agent; antimetabolite; antineoplastic agent |
polonium Polonium: A radioactive element that is a member of the chalcogen family. It has the atomic symbol Po, atomic number 84, and the atomic weight of the isotope with the longest half-life (209Po) is 208.98. It decays by alpha-emission.. polonium atom : A radioactive metallic element discovered in 1898 by Marie Sklodowska Curie and named after her home country, Poland (Latin Polonia). | 1.97 | 1 | 0 | chalcogen; metal atom | |
5-(2-bromovinyl)-2'-deoxyuridine-5'-triphosphate [no description available] | 1.96 | 1 | 0 | | |
5-(1-propenyl)-2'-deoxyuridine 5-(1-propenyl)-2'-deoxyuridine: has anti-herpes activity; structure in first source | 1.96 | 1 | 0 | | |
mannich bases Mannich Bases: Ketonic amines prepared from the condensation of a ketone with formaldehyde and ammonia or a primary or secondary amine. A Mannich base can act as the equivalent of an alpha,beta unsaturated ketone in synthesis or can be reduced to form physiologically active amino alcohols. | 1.97 | 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. | 4.85 | 8 | 1 | 2-aminopurines; oxopurine | antimetabolite; antiviral drug |
guanine [no description available] | 1.96 | 1 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
ganciclovir [no description available] | 2.41 | 2 | 0 | 2-aminopurines; oxopurine | antiinfective agent; antiviral drug |
9-beta-d-arabinofuranosylguanosine 5'-triphosphate [no description available] | 1.95 | 1 | 0 | | |