Substance | Relationship Strength | Studies | Trials | Classes | Roles |
benzoic acid Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 2.06 | 1 | 0 | benzoic acids | algal metabolite; antimicrobial food preservative; drug allergen; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; human xenobiotic metabolite; plant metabolite |
formic acid formic acid: RN given refers to parent cpd. formic acid : The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. Induces severe metabolic acidosis and ocular injury in human subjects. | 2.06 | 1 | 0 | monocarboxylic acid | antibacterial agent; astringent; metabolite; protic solvent; solvent |
dibenzofuran Dibenzofurans: Compounds that include the structure of dibenzofuran.. dibenzofurans : Any organic heterotricyclic compound based on a dibenzofuran skeleton and its substituted derivatives thereof.. dibenzofuran : A mancude organic heterotricyclic parent that consists of a furan ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. | 2.04 | 1 | 0 | dibenzofurans; mancude organic heterotricyclic parent; polycyclic heteroarene | xenobiotic |
amantadine amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | 2.31 | 1 | 0 | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
amsacrine Amsacrine: An aminoacridine derivative that intercalates into DNA and is used as an antineoplastic agent.. amsacrine : A sulfonamide that is N-phenylmethanesulfonamide substituted by a methoxy group at position 3 and an acridin-9-ylamino group at position 4. It exhibits antineoplastic activity. | 1.97 | 1 | 0 | acridines; aromatic ether; sulfonamide | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
diazepam Diazepam: A benzodiazepine with anticonvulsant, anxiolytic, sedative, muscle relaxant, and amnesic properties and a long duration of action. Its actions are mediated by enhancement of GAMMA-AMINOBUTYRIC ACID activity.. diazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one substituted by a chloro group at position 7, a methyl group at position 1 and a phenyl group at position 5. | 1.96 | 1 | 0 | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; environmental contaminant; sedative; xenobiotic |
donepezil Donepezil: An indan and piperidine derivative that acts as a selective and reversible inhibitor of ACETYLCHOLINESTERASE. Donepezil is highly selective for the central nervous system and is used in the management of mild to moderate DEMENTIA in ALZHEIMER DISEASE.. donepezil : A racemate comprising equimolar amounts of (R)- and (S)-donepezil. A centrally acting reversible acetylcholinesterase inhibitor, its main therapeutic use is in the treatment of Alzheimer's disease where it is used to increase cortical acetylcholine.. 2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dimethoxyindan-1-one : A member of the class of indanones that is 5,6-dimethoxyindan-1-one which is substituted at position 2 by an (N-benzylpiperidin-4-yl)methyl group. | 2.31 | 1 | 0 | aromatic ether; indanones; piperidines; racemate | EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; nootropic 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. | 2.05 | 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 |
memantine [no description available] | 2.72 | 2 | 0 | adamantanes; primary aliphatic amine | antidepressant; antiparkinson drug; dopaminergic agent; neuroprotective agent; NMDA receptor antagonist |
propidium Propidium: Quaternary ammonium analog of ethidium; an intercalating dye with a specific affinity to certain forms of DNA and, used as diiodide, to separate them in density gradients; also forms fluorescent complexes with cholinesterase which it inhibits. | 2.31 | 1 | 0 | phenanthridines; quaternary ammonium ion | fluorochrome; intercalator |
cyanides Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 2.15 | 1 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
carbostyril Quinolones: A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.. quinolin-2(1H)-one : A quinolone that is 1,2-dihydroquinoline substituted by an oxo group at position 2. | 2.07 | 1 | 0 | monohydroxyquinoline; quinolone | bacterial xenobiotic metabolite |
n,n-dimethyltryptamine N,N-Dimethyltryptamine: An N-methylated indoleamine derivative and serotonergic hallucinogen which occurs naturally and ubiquitously in several plant species including Psychotria veridis. It also occurs in trace amounts in mammalian brain, blood, and urine, and is known to act as an agonist or antagonist of certain SEROTONIN RECEPTORS.. N,N-dimethyltryptamine : A tryptamine derivative having two N-methyl substituents on the side-chain. | 1.96 | 1 | 0 | tryptamine alkaloid; tryptamines | |
methylene blue Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | 2.21 | 1 | 0 | organic chloride salt | acid-base indicator; antidepressant; antimalarial; antimicrobial agent; antioxidant; cardioprotective agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 4.6.1.2 (guanylate cyclase) inhibitor; fluorochrome; histological dye; neuroprotective agent; physical tracer |
colchicine (S)-colchicine : A colchicine that has (S)-configuration. It is a secondary metabolite, has anti-inflammatory properties and is used to treat gout, crystal-induced joint inflammation, familial Mediterranean fever, and many other conditions. | 2.05 | 1 | 0 | alkaloid; colchicine | anti-inflammatory agent; gout suppressant; mutagen |
fluorene [no description available] | 2.04 | 1 | 0 | ortho-fused polycyclic arene; ortho-fused tricyclic hydrocarbon | |
carbazole carbazole: structure in first source | 2.04 | 1 | 0 | carbazole | |
phenothiazine 10H-phenothiazine : The 10H-tautomer of phenothiazine. | 2.58 | 2 | 0 | phenothiazine | ferroptosis inhibitor; plant metabolite; radical scavenger |
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. | 2.06 | 1 | 0 | pyrrole; secondary amine | |
isoquinoline [no description available] | 1.96 | 1 | 0 | azaarene; isoquinolines; mancude organic heterobicyclic parent; ortho-fused heteroarene | |
adamantane Adamantane: A tricyclo bridged hydrocarbon. | 3.31 | 1 | 0 | adamantanes; polycyclic alkane | |
propadiene [no description available] | 2.17 | 1 | 0 | allenes | |
bufotenin Bufotenin: A hallucinogenic serotonin analog found in frog or toad skins, mushrooms, higher plants, and mammals, especially in the brains, plasma, and urine of schizophrenics. Bufotenin has been used as a tool in CNS studies and misused as a psychedelic.. bufotenin : A tertiary amine that consists of N,N-dimethyltryptamine bearing an additional hydroxy substituent at position 5. | 1.96 | 1 | 0 | tertiary amine; tryptamine alkaloid | coral metabolite; hallucinogen |
3-pyridinaldehyde pyridine-3-carbaldehyde : A pyridinecarbaldehyde that is pyridine substituted by a formyl group at position 3. | 1.96 | 1 | 0 | pyridinecarbaldehyde | |
pyridine-2-carboxaldehyde pyridine-2-carboxaldehyde: structure in first source. 2-formylpyridine : A pyridinecarbaldehyde that is pyridine in which the hydrogen at position 2 is replaced by a formyl group. | 1.96 | 1 | 0 | pyridinecarbaldehyde | |
2-acetylpyridine 2-acetylpyridine: structure in first source | 1.96 | 1 | 0 | aromatic ketone | |
heliamine heliamine: RN given refers to parent cpd; structure. heliamine : An isoquinoline that is 1,2,3,4-tetrahydroisoquinoline substituted by methoxy groups at positions 6 and 7. | 1.96 | 1 | 0 | aromatic ether; diether; isoquinoline alkaloid; isoquinolines | plant metabolite |
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. | 2.06 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
rhodium Rhodium: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.. rhodium atom : A cobalt group element atom of atomic number 45. | 2.06 | 1 | 0 | cobalt group element atom | |
ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.47 | 2 | 0 | iron group element atom; platinum group metal atom | |
alkenes [no description available] | 2.15 | 1 | 0 | | |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.06 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
etoposide [no description available] | 2.44 | 2 | 0 | beta-D-glucoside; furonaphthodioxole; organic heterotetracyclic compound | antineoplastic agent; DNA synthesis inhibitor |
norsalsolinol norsalsolinol: rigid dopamine analog; RN given refers to parent cpd; structure. norsalsolinol : An isoquinolinol that is 1,2,3,4-tetrahydroisoquinoline substituted by hydroxy groups at positions 6 and 7. It is present in the dopamine-rich areas of the human brain, including the substantia nigra. | 1.96 | 1 | 0 | isoquinolinol | animal metabolite; apoptosis inducer; human metabolite; marine metabolite |
elliptinium elliptinium: synthetic ellipticine deriv; RN given refers to parent cpd; structure given in first source | 1.97 | 1 | 0 | carbazoles | |
norharman norharman: RN given refers to parent cpd. beta-carboline : The parent compound of the beta-carbolines, a tricyclic structure comprising an indole ring system ortho- fused to C-3 and C-4 of a pyridine ring. | 2.39 | 2 | 0 | beta-carbolines; mancude organic heterotricyclic parent | fungal metabolite; marine metabolite |
alpha-carboline alpha-carboline: RN given refers to unlabeled cpd; structure given in first source | 2.4 | 2 | 0 | pyridoindole | |
1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid: used as a substitute for amino acids in synthetic peptides | 1.96 | 1 | 0 | | |
beta-carboline-3-carboxylic acid ethyl ester beta-carboline-3-carboxylic acid ethyl ester: isolated from brain tissue & urine; extremely potent displacer of diazepam from brain benzodiazepam receptors; structure in first source | 1.96 | 1 | 0 | beta-carbolines | |
beta-carboline-3-carboxylic acid methyl ester beta-carboline-3-carboxylic acid methyl ester: structure given in first source | 1.96 | 1 | 0 | beta-carbolines | |
propyl beta-carboline-3-carboxylate propyl beta-carboline-3-carboxylate: binds specifically to brain benzodiazepine receptors | 1.96 | 1 | 0 | beta-carbolines | |
proline Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 2.08 | 1 | 0 | amino acid zwitterion; glutamine family amino acid; L-alpha-amino acid; proline; proteinogenic amino acid | algal metabolite; compatible osmolytes; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
carboline-3-carboxylic acid [no description available] | 1.96 | 1 | 0 | | |
latrepirdine latrepirdine: structure | 3.03 | 4 | 0 | methylpyridines; pyridoindole | geroprotector |
isocryptolepine isocryptolepine: synthetic antimalarial alkaloid; structure in first source | 2.31 | 1 | 0 | | |
methyl isoquinoline-3-carboxylate [no description available] | 1.96 | 1 | 0 | isoquinolines | |
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. | 2.06 | 1 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
harman harman: a beta-carboline; RN given refers to parent cpd; structure. harman : An indole alkaloid fundamental parent with a structure of 9H-beta-carboline carrying a methyl substituent at C-1. It has been isolated from the bark of Sickingia rubra, Symplocus racemosa, Passiflora incarnata, Peganum harmala, Banisteriopsis caapi and Tribulus terrestris, as well as from tobacco smoke. It is a specific, reversible inhibitor of monoamine oxidase A. | 1.96 | 1 | 0 | harmala alkaloid; indole alkaloid fundamental parent; indole alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; plant metabolite |
3-hydroxymethyl-beta-carboline 3-hydroxymethyl-beta-carboline: antagonizes anticonvulsant & anxiolytic actions of diazepam at doses which do not elicit overt behavioral effects in mice | 1.96 | 1 | 0 | beta-carbolines | |
eudistomin u eudistomin U: an alkaloid from the Carribean ascidian Lissoclinum fragile; structure given in first source | 2.06 | 1 | 0 | | |
scopolamine hydrobromide [no description available] | 2.1 | 1 | 0 | | |