| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
pyrazinamide
pyrazinecarboxamide : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of pyrazinoic acid (pyrazine-2-carboxylic acid) with ammonia. A prodrug for pyrazinoic acid, pyrazinecarboxamide is used as part of multidrug regimens for the treatment of tuberculosis. | 3.31 | 1 | 0 | monocarboxylic acid amide;
N-acylammonia;
pyrazines | antitubercular agent;
prodrug |
ciprofloxacin
Ciprofloxacin: A broad-spectrum antimicrobial carboxyfluoroquinoline.. ciprofloxacin : A quinolone that is quinolin-4(1H)-one bearing cyclopropyl, carboxylic acid, fluoro and piperazin-1-yl substituents at positions 1, 3, 6 and 7, respectively. | 3.31 | 1 | 0 | aminoquinoline;
cyclopropanes;
fluoroquinolone antibiotic;
N-arylpiperazine;
quinolinemonocarboxylic acid;
quinolone antibiotic;
quinolone;
zwitterion | antibacterial drug;
antiinfective agent;
antimicrobial agent;
DNA synthesis inhibitor;
EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor;
environmental contaminant;
topoisomerase IV inhibitor;
xenobiotic |
clofazimine
Clofazimine: A fat-soluble riminophenazine dye used for the treatment of leprosy. It has been used investigationally in combination with other antimycobacterial drugs to treat Mycobacterium avium infections in AIDS patients. Clofazimine also has a marked anti-inflammatory effect and is given to control the leprosy reaction, erythema nodosum leprosum. (From AMA Drug Evaluations Annual, 1993, p1619). clofazimine : 3-Isopropylimino-3,5-dihydro-phenazine in which the hydrogen at position 5 is substituted substituted by a 4-chlorophenyl group, and that at position 2 is substituted by a (4-chlorophenyl)amino group. A dark red crystalline solid, clofazimine is an antimycobacterial and is one of the main drugs used for the treatment of multi-bacillary leprosy. However, it can cause red/brown discolouration of the skin, so other treatments are often preferred in light-skinned patients. | 3.31 | 1 | 0 | monochlorobenzenes;
phenazines | dye;
leprostatic drug;
non-steroidal anti-inflammatory drug |
dapsone
[no description available] | 3.81 | 3 | 0 | substituted aniline;
sulfone | anti-inflammatory drug;
antiinfective agent;
antimalarial;
leprostatic drug |
fluconazole
Fluconazole: Triazole antifungal agent that is used to treat oropharyngeal CANDIDIASIS and cryptococcal MENINGITIS in AIDS.. fluconazole : A member of the class of triazoles that is propan-2-ol substituted at position 1 and 3 by 1H-1,2,4-triazol-1-yl groups and at position 2 by a 2,4-difluorophenyl group. It is an antifungal drug used for the treatment of mucosal candidiasis and for systemic infections including systemic candidiasis, coccidioidomycosis, and cryptococcosis. | 2.02 | 1 | 0 | conazole antifungal drug;
difluorobenzene;
tertiary alcohol;
triazole antifungal drug | environmental contaminant;
P450 inhibitor;
xenobiotic |
hydralazine
Hydralazine: A direct-acting vasodilator that is used as an antihypertensive agent.. hydralazine : The 1-hydrazino derivative of phthalazine; a direct-acting vasodilator that is used as an antihypertensive agent. | 2.05 | 1 | 0 | azaarene;
hydrazines;
ortho-fused heteroarene;
phthalazines | antihypertensive agent;
vasodilator agent |
indomethacin
Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 2 | 1 | 0 | aromatic ether;
indole-3-acetic acids;
monochlorobenzenes;
N-acylindole | analgesic;
drug metabolite;
EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor;
environmental contaminant;
gout suppressant;
non-steroidal anti-inflammatory drug;
xenobiotic metabolite;
xenobiotic |
isoniazid
Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 3.31 | 1 | 0 | carbohydrazide | antitubercular agent;
drug allergen |
ofloxacin
Ofloxacin: A synthetic fluoroquinolone antibacterial agent that inhibits the supercoiling activity of bacterial DNA GYRASE, halting DNA REPLICATION.. 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid : An oxazinoquinoline that is 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinolin-7-one substituted by methyl, carboxy, fluoro, and 4-methylpiperazin-1-yl groups at positions 3, 6, 9, and 10, respectively.. ofloxacin : A racemate comprising equimolar amounts of levofloxacin and dextrofloxacin. It is a synthetic fluoroquinolone antibacterial agent which inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication. | 3.31 | 1 | 0 | 3-oxo monocarboxylic acid;
N-arylpiperazine;
N-methylpiperazine;
organofluorine compound;
oxazinoquinoline | |
aminosalicylic acid
Aminosalicylic Acid: An antitubercular agent often administered in association with ISONIAZID. The sodium salt of the drug is better tolerated than the free acid.. 4-aminosalicylic acid : An aminobenzoic acid that is salicylic acid substituted by an amino group at position 4. | 3.31 | 1 | 0 | aminobenzoic acid;
phenols | antitubercular agent |
pyrimethamine
Maloprim: contains above 2 cpds | 3.31 | 1 | 0 | aminopyrimidine;
monochlorobenzenes | antimalarial;
antiprotozoal drug;
EC 1.5.1.3 (dihydrofolate reductase) inhibitor |
thalidomide
Thalidomide: A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the market due to teratogenic effects. It has been reintroduced and used for a number of immunological and inflammatory disorders. Thalidomide displays immunosuppressive and anti-angiogenic activity. It inhibits release of TUMOR NECROSIS FACTOR-ALPHA from monocytes, and modulates other cytokine action.. thalidomide : A racemate comprising equimolar amounts of R- and S-thalidomide.. 2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione : A dicarboximide that is isoindole-1,3(2H)-dione in which the hydrogen attached to the nitrogen is substituted by a 2,6-dioxopiperidin-3-yl group. | 3.31 | 1 | 0 | phthalimides;
piperidones | |
trimethoprim
Trimethoprim: A pyrimidine inhibitor of dihydrofolate reductase, it is an antibacterial related to PYRIMETHAMINE. It is potentiated by SULFONAMIDES and the TRIMETHOPRIM, SULFAMETHOXAZOLE DRUG COMBINATION is the form most often used. It is sometimes used alone as an antimalarial. TRIMETHOPRIM RESISTANCE has been reported.. trimethoprim : An aminopyrimidine antibiotic whose structure consists of pyrimidine 2,4-diamine and 1,2,3-trimethoxybenzene moieties linked by a methylene bridge. | 3.57 | 2 | 0 | aminopyrimidine;
methoxybenzenes | antibacterial drug;
diuretic;
drug allergen;
EC 1.5.1.3 (dihydrofolate reductase) inhibitor;
environmental contaminant;
xenobiotic |
chloramphenicol
Amphenicol: Chloramphenicol and its derivatives. | 3.31 | 1 | 0 | C-nitro compound;
carboxamide;
diol;
organochlorine compound | antibacterial drug;
antimicrobial agent;
Escherichia coli metabolite;
geroprotector;
Mycoplasma genitalium metabolite;
protein synthesis inhibitor |
kanamycin a
Kanamycin: Antibiotic complex produced by Streptomyces kanamyceticus from Japanese soil. Comprises 3 components: kanamycin A, the major component, and kanamycins B and C, the minor components.. kanamycin : Kanamycin is a naturally occurring antibiotic complex from Streptomyces kanamyceticus that consists of several components: kanamycin A, the major component (also usually designated as kanamycin), and kanamycins B, C, D and X the minor components. | 3.31 | 1 | 0 | kanamycins | bacterial metabolite |
acedapsone
Acedapsone: Acetylated sulfone that is slowly metabolized to give long-term, low blood levels of DAPSONE. It has antimicrobial and antimalarial action, but is mainly used as a depot leprostatic agent.. acedapsone : A sulfone that is dapsone in which both of the amino groups been acetylation. An antimicrobial drug, it also has antimalarial activity. | 3.31 | 1 | 0 | acetamides;
anilide;
secondary carboxamide;
sulfone | antimalarial;
antimicrobial drug |
bis(4-hydroxyphenyl)sulfone
bis(4-hydroxyphenyl)sulfone: structure and RN in first source. 4,4'-sulfonyldiphenol : A sulfone that is diphenyl sulfone in which both of the para hydrogens have been replaced by hydroxy groups. | 3.31 | 1 | 0 | bisphenol;
sulfone | endocrine disruptor;
metabolite |
4,4'-diaminodiphenylmethane
4,4'-diaminodiphenylmethane: RN given refers to parent cpd; structure. 4,4'-diaminodiphenylmethane : An aromatic amine that is diphenylmethane substituted at the 4-position of each benzene ring by an amino group. | 3.31 | 1 | 0 | aromatic amine | allergen;
carcinogenic agent |
4,4'-thiodianiline
4,4'-thiodianiline: structure | 3.31 | 1 | 0 | substituted aniline | |
monoacetyldapsone
monoacetyldapsone: used in leprosy chemotherapy. monoacetyldapsone : A secondary carboxamide resulting from acetylation of one of the amino groups of dapsone. | 3.81 | 3 | 0 | acetamides;
anilide;
secondary carboxamide;
sulfone | |
ethambutol
Ethambutol: An antitubercular agent that inhibits the transfer of mycolic acids into the cell wall of the tubercle bacillus. It may also inhibit the synthesis of spermidine in mycobacteria. The action is usually bactericidal, and the drug can penetrate human cell membranes to exert its lethal effect. (From Smith and Reynard, Textbook of Pharmacology, 1992, p863). ethambutol : An ethylenediamine derivative that is ethane-1,2-diamine in which one hydrogen attached to each of the nitrogens is sutstituted by a 1-hydroxybutan-2-yl group (S,S-configuration). It is a bacteriostatic antimycobacterial drug, effective against Mycobacterium tuberculosis and some other mycobacteria. It is used (as the dihydrochloride salt) in combination with other antituberculous drugs in the treatment of pulmonary and extrapulmonary tuberculosis; resistant strains of M. tuberculosis are readily produced if ethambutol is used alone. | 3.31 | 1 | 0 | ethanolamines;
ethylenediamine derivative | antitubercular agent;
environmental contaminant;
xenobiotic |
streptomycin
[no description available] | 3.31 | 1 | 0 | antibiotic antifungal drug;
antibiotic fungicide;
streptomycins | antibacterial drug;
antifungal agrochemical;
antimicrobial agent;
antimicrobial drug;
bacterial metabolite;
protein synthesis inhibitor |
tobramycin
Tobramycin: An aminoglycoside, broad-spectrum antibiotic produced by Streptomyces tenebrarius. It is effective against gram-negative bacteria, especially the PSEUDOMONAS species. It is a 10% component of the antibiotic complex, NEBRAMYCIN, produced by the same species.. tobramycin : A amino cyclitol glycoside that is kanamycin B lacking the 3-hydroxy substituent from the 2,6-diaminoglucose ring. | 3.31 | 1 | 0 | amino cyclitol glycoside | antibacterial agent;
antimicrobial agent;
toxin |
amikacin
Amikacin: A broad-spectrum antibiotic derived from KANAMYCIN. It is reno- and oto-toxic like the other aminoglycoside antibiotics.. amikacin : An amino cyclitol glycoside that is kanamycin A acylated at the N-1 position by a 4-amino-2-hydroxybutyryl group. | 3.31 | 1 | 0 | alpha-D-glucoside;
amino cyclitol glycoside;
aminoglycoside;
carboxamide | antibacterial drug;
antimicrobial agent;
nephrotoxin |
4-amino-4'-hydroxylaminodiphenylsulfone
4-amino-4'-hydroxylaminodiphenylsulfone: RN given refers to unlabeled cpd | 3.31 | 1 | 0 | sulfonic acid derivative | |
5,5'-methylenedisalicylic acid
5,5'-methylenedisalicylic acid: inhibits attachment of ribosomes to microsomal membranes; RN given refers to parent cpd; structure in first source & Merck Index, 9th ed, #5934 | 2.05 | 1 | 0 | | |
brodimoprim
brodimoprim: inhibits dihydrofolate reductase. brodimoprim : An aminopyrimidine that is 2,4-diaminopyrimidine in which the hydrogen at position 5 has been replaced by a 4-bromo-3,5-dimethoxybenzyl group. | 3.31 | 1 | 0 | aminopyrimidine;
bromobenzenes;
methoxybenzenes | antibacterial drug;
antiinfective agent;
EC 1.5.1.3 (dihydrofolate reductase) inhibitor |
epiroprim
epiroprim: an analog of trimethoprim with improved antimicrobial and pharmacokinetic properties; structure given in first source | 3.31 | 1 | 0 | | |
gentamicin c1a
[no description available] | 3.31 | 1 | 0 | gentamycin C | |
4-nitro-4'-aminodiphenyl sulfone
4-nitro-4'-aminodiphenyl sulfone: dapsone metabolite; structure given in first source | 3.52 | 2 | 0 | | |
2,4-diamino-5-benzylpyrimidine
2,4-diamino-5-benzylpyrimidine: structure given in first source | 2.02 | 1 | 0 | | |
n(alpha)-carbobenzoxypyroglutamic acid
[no description available] | 2 | 1 | 0 | | |
imipenem, anhydrous
Imipenem: Semisynthetic thienamycin that has a wide spectrum of antibacterial activity against gram-negative and gram-positive aerobic and anaerobic bacteria, including many multiresistant strains. It is stable to beta-lactamases. Clinical studies have demonstrated high efficacy in the treatment of infections of various body systems. Its effectiveness is enhanced when it is administered in combination with CILASTATIN, a renal dipeptidase inhibitor.. imipenem : A broad-spectrum, intravenous beta-lactam antibiotic of the carbapenem subgroup. | 3.31 | 1 | 0 | beta-lactam antibiotic allergen;
carbapenems;
zwitterion | antibacterial drug |
methotrexate
[no description available] | 3.31 | 1 | 0 | dicarboxylic acid;
monocarboxylic acid amide;
pteridines | abortifacient;
antimetabolite;
antineoplastic agent;
antirheumatic drug;
dermatologic drug;
DNA synthesis inhibitor;
EC 1.5.1.3 (dihydrofolate reductase) inhibitor;
immunosuppressive agent |
levofloxacin
Levofloxacin: The L-isomer of Ofloxacin.. levofloxacin : An optically active form of ofloxacin having (S)-configuration; an inhibitor of bacterial topoisomerase IV and DNA gyrase. | 3.31 | 1 | 0 | 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;
fluoroquinolone antibiotic;
quinolone antibiotic | antibacterial drug;
DNA synthesis inhibitor;
EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor;
topoisomerase IV inhibitor |
o-desmethylindomethacin
1-(4-chlorobenzoyl)-5-hydroxy-2-methyl-3-indoleacetic acid: has insulin sensitizing and glucose lowering activity; structure in first source | 2 | 1 | 0 | | |
aminopterin
Aminopterin: A folic acid derivative used as a rodenticide that has been shown to be teratogenic. | 3.31 | 1 | 0 | dicarboxylic acid | EC 1.5.1.3 (dihydrofolate reductase) inhibitor;
mutagen |
nsc 401077
NSC 401077: inhibits DNA methyltransferase DNMT1; structure in first source | 2.05 | 1 | 0 | | |
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. | 2.05 | 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 |
sitafloxacin
[no description available] | 3.31 | 1 | 0 | fluoroquinolone antibiotic;
quinolines;
quinolone antibiotic | |
9-benzyl-2-chloro-6-(2-furyl)purine
9-benzyl-2-chloro-6-(2-furyl)purine: structure in first source | 3.31 | 1 | 0 | | |
ethionamide
Ethionamide: A second-line antitubercular agent that inhibits mycolic acid synthesis.. ethionamide : A thiocarboxamide that is pyridine-4-carbothioamide substituted by an ethyl group at position 2. A prodrug that undergoes metabolic activation by conversion to the corresponding S-oxide. | 3.31 | 1 | 0 | pyridines;
thiocarboxamide | antilipemic drug;
antitubercular agent;
fatty acid synthesis inhibitor;
leprostatic drug;
prodrug |
cerulenin
Cerulenin: An epoxydodecadienamide isolated from several species, including ACREMONIUM, Acrocylindrum, and Helicoceras. It inhibits the biosynthesis of several lipids by interfering with enzyme function.. cerulenin : An epoxydodecadienamide isolated from several species, including Acremonium, Acrocylindrum and Helicoceras. It inhibits the biosynthesis of several lipids by interfering with enzyme function. | 3.31 | 1 | 0 | epoxide;
monocarboxylic acid amide | antifungal agent;
antiinfective agent;
antilipemic drug;
antimetabolite;
antimicrobial agent;
fatty acid synthesis inhibitor |
rifampin
Rifampin: A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160) | 3.31 | 1 | 0 | cyclic ketal;
hydrazone;
N-iminopiperazine;
N-methylpiperazine;
rifamycins;
semisynthetic derivative;
zwitterion | angiogenesis inhibitor;
antiamoebic agent;
antineoplastic agent;
antitubercular agent;
DNA synthesis inhibitor;
EC 2.7.7.6 (RNA polymerase) inhibitor;
Escherichia coli metabolite;
geroprotector;
leprostatic drug;
neuroprotective agent;
pregnane X receptor agonist;
protein synthesis inhibitor |
thiolactomycin
thiolactomycin: from actinomycetes; structure given in first source | 3.31 | 1 | 0 | | |
rifabutin
[no description available] | 3.31 | 1 | 0 | | |
3'-hydroxy-5'-(4-isobutylpiperazinyl)benzoxazinorifamycin
KRM 1648: structure in first source | 3.31 | 1 | 0 | phenoxazine | |
krm 1657
KRM 1657: structure given in first source | 3.31 | 1 | 0 | | |