Substance | Relationship Strength | Studies | Trials | Classes | Roles |
niacin Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties.. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms).. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group. | 3.31 | 1 | 0 | pyridine alkaloid; pyridinemonocarboxylic acid; vitamin B3 | antidote; antilipemic drug; EC 3.5.1.19 (nicotinamidase) inhibitor; Escherichia coli metabolite; human urinary metabolite; metabolite; mouse metabolite; plant metabolite; vasodilator agent |
verapamil Verapamil: A calcium channel blocker that is a class IV anti-arrhythmia agent.. verapamil : A racemate comprising equimolar amounts of dexverapamil and (S)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.. 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile : A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group. | 2.01 | 1 | 0 | aromatic ether; nitrile; polyether; tertiary amino compound | |
carmustine Carmustine: A cell-cycle phase nonspecific alkylating antineoplastic agent. It is used in the treatment of brain tumors and various other malignant neoplasms. (From Martindale, The Extra Pharmacopoeia, 30th ed, p462) This substance may reasonably be anticipated to be a carcinogen according to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (From Merck Index, 11th ed). carmustine : A member of the class of N-nitrosoureas that is 1,3-bis(2-chloroethyl)urea in which one of the nitrogens is substituted by a nitroso group. | 2.36 | 2 | 0 | N-nitrosoureas; organochlorine compound | alkylating agent; antineoplastic 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. | 1.96 | 1 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
miltefosine miltefosine: hexadecyl phosphocholine derivative of cisplatin; did not substantially activate HIV long terminal repeat; less toxic than cisplatin. miltefosine : A phospholipid that is the hexadecyl monoester of phosphocholine. | 3.31 | 1 | 0 | phosphocholines; phospholipid | anti-inflammatory agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antiprotozoal drug; apoptosis inducer; immunomodulator; protein kinase inhibitor |
protopine [no description available] | 3.31 | 1 | 0 | dibenzazecine alkaloid | plant metabolite |
streptonigrin [no description available] | 6.95 | 1 | 0 | pyridines; quinolone | antimicrobial agent; antineoplastic agent |
cyclohexene cyclohexene : A cycloalkene that is cylohexane with a single double bond. | 2.02 | 1 | 0 | cycloalkene | |
galantamine Galantamine: A benzazepine derived from norbelladine. It is found in GALANTHUS and other AMARYLLIDACEAE. It is a cholinesterase inhibitor that has been used to reverse the muscular effects of GALLAMINE TRIETHIODIDE and TUBOCURARINE and has been studied as a treatment for ALZHEIMER DISEASE and other central nervous system disorders.. galanthamine : A benzazepine alkaloid isolated from certain species of daffodils. | 3.31 | 1 | 0 | benzazepine alkaloid fundamental parent; benzazepine alkaloid; organic heterotetracyclic compound; tertiary amino compound | antidote to curare poisoning; cholinergic drug; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; plant metabolite |
melarsoprol Melarsoprol: Arsenical used in trypanosomiases. It may cause fatal encephalopathy and other undesirable side effects. | 3.31 | 1 | 0 | triazines | |
podophyllotoxin Podophyllum: A genus of poisonous American herbs, family BERBERIDACEAE. The roots yield PODOPHYLLOTOXIN and other pharmacologically important agents. The plant was formerly used as a cholagogue and cathartic. It is different from the European mandrake, MANDRAGORA. | 3.31 | 1 | 0 | furonaphthodioxole; lignan; organic heterotetracyclic compound | antimitotic; antineoplastic agent; keratolytic drug; microtubule-destabilising agent; plant metabolite; tubulin modulator |
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 7.02 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
ornidazole Ornidazole: A nitroimidazole antiprotozoal agent used in ameba and trichomonas infections. It is partially plasma-bound and also has radiation-sensitizing action.. ornidazole : A C-nitro compound that is 5-nitroimidazole in which the hydrogens at positions 1 and 2 are replaced by 3-chloro-2-hydroxypropyl and methyl groups, respectively. It is used in the treatment of susceptible protozoal infections and for the treatment of anaerobic bacterial infections. | 3.31 | 1 | 0 | C-nitro compound; imidazoles; organochlorine compound; secondary alcohol | antiamoebic agent; antibacterial drug; antiinfective agent; antiprotozoal drug; antitrichomonal drug; epitope |
benzonidazole benzonidazole: used in treatment of Chagas' disease. benznidazole : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of (2-nitroimidazol-1-yl)acetic acid with the aromatic amino group of benzylamine. Used for treatment of Chagas disease. | 3.31 | 1 | 0 | C-nitro compound; imidazoles; monocarboxylic acid amide | antiprotozoal drug |
lycorine lycorine: from bulbs of LYCORIS & other plants; RN given refers to (1 alpha,2 beta)-isomer; structure in Merck Index, 9th ed, #5444. lycorine : An indolizidine alkaloid that is 3,12-didehydrogalanthan substituted by hydroxy groups at positions and 2 and a methylenedioxy group across positions 9 and 10. Isolated from Crinum asiaticum, it has been shown to exhibit antimalarial activity. | 3.56 | 2 | 0 | indolizidine alkaloid | anticoronaviral agent; antimalarial; plant metabolite; protein synthesis inhibitor |
hippadine hippadine: isolated from Crinum bulbs | 3.31 | 1 | 0 | | |
crinine crinine: structure in first source | 3.31 | 1 | 0 | alkaloid | |
hemanthamine [no description available] | 3.31 | 1 | 0 | alkaloid | |
hippeastrine hippeastrine: isolated from Amaryllidaceae; structure given in first source; RN given refers to (5alpha)-isomer. hippeastrine : An indole alkaloid isolated from the Amaryllidaceae family and has been shown to exhibit cytotoxic activity. | 3.31 | 1 | 0 | delta-lactone; indole alkaloid; organic heteropentacyclic compound; secondary alcohol | antineoplastic agent; metabolite |
trispheridine trispheridine: structure in first source | 2.01 | 1 | 0 | phenanthridines | |
pancracine pancracine: structure in first source | 3.31 | 1 | 0 | isoquinoline alkaloid fundamental parent; isoquinoline alkaloid | |
pseudolycorine pseudolycorine: alkaloid isolated from Narcissus tazetta var. chinensis Roem, N. papyraceus or Lycoris radiata Herb; structure in first source | 3.31 | 1 | 0 | phenanthridines | |
sanguinine sanguinine: from Amaryllidaceae; structure in first source | 3.31 | 1 | 0 | benzazepine | |
hemanthidine hemanthidine: crinine-like alkaloid from AMARYLLIDACEAE | 2.7 | 3 | 0 | | |
ungeremine [no description available] | 3.31 | 1 | 0 | organic molecular entity | metabolite |
tazettine tazettine: from Amaryllidaceae | 4.01 | 4 | 0 | indole alkaloid fundamental parent; indole alkaloid | |
montanine montanine: has anxiolytic, antidepressant, and anticonvulsant activities | 3.31 | 1 | 0 | | |
dihydrolycorine [no description available] | 3.31 | 1 | 0 | | |
crinamine crinamine: RN given for (3alpha,5alpha,11R,13beta,19alpha)-isomer; structure in first source | 7.02 | 1 | 0 | | |
nifedipine hemanthamine: crinine-like alkaloid from AMARYLLIDACEAE; RN given for (3beta,5alpha,11R,13beta,19alpha)-isomer; structure in first source | 2.01 | 1 | 0 | | |