Substance | Relationship Strength | Studies | Trials | Classes | Roles |
arsenic acid arsenic acid: RN given refers to orthoarsenic acid(H3AsO4); see also sodium arsenate. arsenic acid : An arsenic oxoacid comprising one oxo group and three hydroxy groups attached to a central arsenic atom. | 1.99 | 1 | 0 | arsenic oxoacid | Escherichia coli metabolite |
diminazene Diminazene: An effective trypanocidal agent.. diminazene : A triazene derivative that is triazene in which each of the terminal nitrogens is substituted by a 4-carbamimidoylphenyl group. | 2.25 | 1 | 0 | carboxamidine; triazene derivative | antiparasitic agent; trypanocidal drug |
pentamidine Pentamidine: Antiprotozoal agent effective in trypanosomiasis, leishmaniasis, and some fungal infections; used in treatment of PNEUMOCYSTIS pneumonia in HIV-infected patients. It may cause diabetes mellitus, central nervous system damage, and other toxic effects.. pentamidine : A diether consisting of pentane-1,5-diol in which both hydroxyl hydrogens have been replaced by 4-amidinophenyl groups. A trypanocidal drug that is used for treatment of cutaneous leishmaniasis and Chagas disease. | 2.25 | 1 | 0 | aromatic ether; carboxamidine; diether | anti-inflammatory agent; antifungal agent; calmodulin antagonist; chemokine receptor 5 antagonist; EC 2.3.1.48 (histone acetyltransferase) inhibitor; NMDA receptor antagonist; S100 calcium-binding protein B inhibitor; trypanocidal drug; xenobiotic |
tubercidin Tubercidin: An antibiotic purine ribonucleoside that readily substitutes for adenosine in the biological system, but its incorporation into DNA and RNA has an inhibitory effect on the metabolism of these nucleic acids.. tubercidin : An N-glycosylpyrrolopyrimidine that is adenosine in which the in the 5-membered ring that is not attached to the ribose moiety is replaced by a carbon. Tubercidin is produced in the culture broth of Streptomyces tubericidus. | 8.11 | 5 | 0 | antibiotic antifungal agent; N-glycosylpyrrolopyrimidine; ribonucleoside | antimetabolite; antineoplastic agent; bacterial 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. | 2.05 | 1 | 0 | pyrrole; secondary amine | |
methylthioinosine Methylthioinosine: 6-(Methylthio)-9-beta-D-ribofuranosylpurine. An analog of inosine with a methylthio group replacing the hydroxyl group in the 6-position. | 2.4 | 2 | 0 | purine ribonucleoside; thiopurine | |
toyocamycin Toyocamycin: 4-Amino-5-cyano-7-(D-ribofuranosyl)-7H- pyrrolo(2,3-d)pyrimidine. Antibiotic antimetabolite isolated from Streptomyces toyocaensis cultures. It is an analog of adenosine, blocks RNA synthesis and ribosome function, and is used mainly as a tool in biochemistry.. toyocamycin : An N-glycosylpyrrolopyrimidine that is tubercidin in which the hydrogen at position 5 of the pyrrolopyrimidine moiety has been replaced by a cyano group. | 7.45 | 2 | 0 | antibiotic antifungal agent; N-glycosylpyrrolopyrimidine; nitrile; ribonucleoside | antimetabolite; antineoplastic agent; apoptosis inducer; bacterial metabolite |
isopentenyladenosine Isopentenyladenosine: N(6)-[delta(3)-isopentenyl]adenosine. Isopentenyl derivative of adenosine which is a member of the cytokinin family of plant growth regulators.. N(6)-(Delta(2)-isopentenyl)adenosine : A nucleoside analogue in which adenosine has been modified by substitution at the 6-amino nitrogen by a Delta(2)-isopentenyl group. | 2.05 | 1 | 0 | N-ribosyl-N(6)-isopentenyladenine; nucleoside analogue | antineoplastic agent; plant growth regulator; plant metabolite |
ribavirin Rebetron: Rebetron is tradename | 1.97 | 1 | 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 |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.52 | 2 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
benzylaminopurine benzylaminopurine: a plant growth regulator. N-benzyladenine : A member of the class of 6-aminopurines that is adenine in which one of the hydrogens of the amino group is replaced by a benzyl group. | 2.05 | 1 | 0 | 6-aminopurines | cytokinin; plant metabolite |
xanthosine [no description available] | 2.05 | 1 | 0 | purines D-ribonucleoside; xanthosines | Escherichia coli metabolite; human metabolite; mouse metabolite |
isoguanosine [no description available] | 2.05 | 1 | 0 | purine nucleoside | |
nebularine nebularine: structure. nebularine : A purine ribonucleoside that is 9H-purine attached to a beta-D-ribofuranosyl residue at position 9 via a glycosidic (N-glycosyl) linkage. | 7.4 | 2 | 0 | purine ribonucleoside; purines D-ribonucleoside | fungal metabolite |
D-alanine [no description available] | 2.05 | 1 | 0 | alanine zwitterion; alanine; D-alpha-amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; Escherichia coli metabolite; human metabolite |
2-aminoadenosine [no description available] | 2.05 | 1 | 0 | purine nucleoside | |
6-chloropurine riboside [no description available] | 2.05 | 1 | 0 | | |
6'-o-methylguanosine [no description available] | 2.05 | 1 | 0 | | |
8-aminoadenosine [no description available] | 2.05 | 1 | 0 | | |
bromotubercidin [no description available] | 1.97 | 1 | 0 | | |
5-iodotubercidin 7-iodotubercidin: inhibits Toxoplasma gondii adenosine kinase | 1.97 | 1 | 0 | organoiodine compound | |
5-chlorotubercidin [no description available] | 1.97 | 1 | 0 | | |
n-methyladenosine N-methyladenosine: is a inhibitor of cell differentiation. N(6)-methyladenosine : A methyladenosine compound with one methyl group attached to N(6) of the adenine nucleobase. | 2.05 | 1 | 0 | methyladenosine | |
4-amino-5-bromo-7-(2-hydroxyethoxymethyl)pyrrolo(2,3-d)pyrimidine 4-amino-5-bromo-7-(2-hydroxyethoxymethyl)pyrrolo(2,3-d)pyrimidine: structure given in first source; 5-bromotubercidin in which the ribose is replaced by 2-hydroxyethoxymethyl | 1.97 | 1 | 0 | | |
3-deazaguanosine 3-deazaguanosine: structure | 1.97 | 1 | 0 | | |
ribose 1-phosphate ribose 1-phosphate: RN given refers to (D)-isomer. alpha-D-ribose 1-phosphate : The 1-phospho derivative of alpha-D-ribose. | 1.99 | 1 | 0 | D-ribose 1-phosphate | Escherichia coli metabolite |
n(6),n(6)-dimethyladenosine N(6),N(6)-dimethyladenosine : A methyladenosine compound with two methyl groups attached to N(6) of the adenine nucleobase. | 2.05 | 1 | 0 | hydrocarbyladenosine | |
formycin [no description available] | 1.97 | 1 | 0 | formycin | antineoplastic agent |
taribavirin [no description available] | 1.97 | 1 | 0 | nucleobase-containing molecular entity | |
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). | 1.97 | 1 | 0 | 1,3-thiazoles; C-glycosyl compound; monocarboxylic acid amide | antineoplastic agent; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; prodrug |
mercaptopurine Mercaptopurine: An antimetabolite antineoplastic agent with immunosuppressant properties. It interferes with nucleic acid synthesis by inhibiting purine metabolism and is used, usually in combination with other drugs, in the treatment of or in remission maintenance programs for leukemia.. purine-6-thiol : A thiol that is the tautomer of mercaptopurine.. mercaptopurine : A member of the class of purines that is 6,7-dihydro-1H-purine carrying a thione group at position 6. An adenine analogue, it is used in the treatment of acute lymphocytic leukemia (ALL), chronic myeloid leukemia (CML), Crohn's disease, and ulcerative colitis. | 2.05 | 1 | 0 | aryl thiol; purines; thiocarbonyl compound | anticoronaviral agent; antimetabolite; antineoplastic agent |
thioinosine Thioinosine: Sulfhydryl analog of INOSINE that inhibits nucleoside transport across erythrocyte plasma membranes, and has immunosuppressive properties. It has been used similarly to MERCAPTOPURINE in the treatment of leukemia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p503) | 2.05 | 1 | 0 | | |
2-mercaptobenzimidazole 2-mercaptobenzimidazole: purine synthesis antimetabolite; RN given refers to parent cpd | 2.05 | 1 | 0 | | |
thiouracil Thiouracil: Occurs in seeds of Brassica and Crucifera species. Thiouracil has been used as antithyroid, coronary vasodilator, and in congestive heart failure although its use has been largely supplanted by other drugs. It is known to cause blood dyscrasias and suspected of terato- and carcinogenesis.. thiouracil : A nucleobase analogue that is uracil in which the oxo group at C-2 is replaced by a thioxo group. | 2.05 | 1 | 0 | nucleobase analogue; thiocarbonyl compound | antithyroid drug; metabolite |
pyrimidine-2-thiol pyrimidine-2-thiol: RN given refers to parent cpd. pyrimidine-2-thiol : Pyrimidine substituted at C-2 by a sulfanyl group. | 2.05 | 1 | 0 | aryl thiol; pyrimidines | allergen; corrosion inhibitor |
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. | 2.05 | 1 | 0 | 2-aminopurines | anticoronaviral agent; antimetabolite; antineoplastic agent |
2-thiopyridine 2-thiopyridine: RN given refers to parent cpd. pyridine-2-thiol : Pyridine substituted at C-2 by a sulfanyl group. | 2.05 | 1 | 0 | aryl thiol; pyridines | allergen; fluorescence quencher |
4-thiopyridine 4-thiopyridine: RN given refers to 4-thiopyridine cpd | 2.05 | 1 | 0 | | |
6-thioguanosine 6-thioguanosine: RN given refers to cpd without isomeric designation | 2.05 | 1 | 0 | purine nucleoside | |
2-amino-6-chloropurine 6-chloroguanine: an antimalarial that inhibits hypoxanthine-guanine-xanthine phosphoribosyltransferase; structure in first source. 6-chloroguanine : An organochlorine compound that is 7H-purin-2-amine substituted by a chloro group at position 6. | 2.05 | 1 | 0 | 2-aminopurines; organochlorine compound | |
6-benzylthioinosine 6-benzylthioinosine: a subversive substrate of T gondii adenosine kinase; structure in first source | 2.05 | 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. | 2.38 | 2 | 0 | 2-aminopurines; oxopurine | antimetabolite; antiviral drug |
guanine [no description available] | 1.99 | 1 | 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. | 2.05 | 1 | 0 | guanosines; purines D-ribonucleoside | fundamental metabolite |
hypoxanthine [no description available] | 1.99 | 1 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
inosine [no description available] | 3.28 | 6 | 0 | inosines; purines D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
ganciclovir [no description available] | 2.4 | 2 | 0 | 2-aminopurines; oxopurine | antiinfective agent; antiviral drug |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 2.05 | 1 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
8-hydroxyguanosine 8-hydroxyguanosine: immunostimulant for B lymphocytes; structure given in first source | 2.05 | 1 | 0 | purine nucleoside | |
7-deazaguanosine 7-deazaguanosine: structure given in first source | 2.25 | 1 | 0 | | |
formycin b formycin B: RN given refers to (beta-D)-isomer | 1.99 | 1 | 0 | formycin | |
formycins Formycins: Pyrazolopyrimidine ribonucleosides isolated from Nocardia interforma. They are antineoplastic antibiotics with cytostatic properties. | 1.99 | 1 | 0 | | |
9-deazainosine [no description available] | 1.99 | 1 | 0 | | |
3'-deoxyinosine 3'-deoxyinosine: structure given in first source | 2.25 | 1 | 0 | | |
7-methylinosine 7-methylinosine : A positively charged methylinosine in which a single methyl substituent is located at position 7 on the hypoxanthine ring. | 2.05 | 1 | 0 | inosines; organic cation | metabolite |