Substance | Relationship Strength | Studies | Trials | Classes | Roles |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 3.26 | 6 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.06 | 1 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
naphthalene [no description available] | 2.37 | 2 | 0 | naphthalenes; ortho-fused bicyclic arene | apoptosis inhibitor; carcinogenic agent; environmental contaminant; mouse metabolite; plant metabolite; volatile oil component |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 2.07 | 1 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
sulfur dioxide Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. | 2.11 | 1 | 0 | sulfur oxide | Escherichia coli metabolite; food bleaching agent; refrigerant |
thiamine thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 6.93 | 1 | 0 | primary alcohol; vitamin B1 | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
mazindol Mazindol: Tricyclic anorexigenic agent unrelated to and less toxic than AMPHETAMINE, but with some similar side effects. It inhibits uptake of catecholamines and blocks the binding of cocaine to the dopamine uptake transporter. | 1.98 | 1 | 0 | organic molecular entity | |
mexiletine Mexiletine: Antiarrhythmic agent pharmacologically similar to LIDOCAINE. It may have some anticonvulsant properties.. mexiletine : An aromatic ether which is 2,6-dimethylphenyl ether of 2-aminopropan-1-ol. | 2.03 | 1 | 0 | aromatic ether; primary amino compound | anti-arrhythmia drug |
oxamniquine Oxamniquine: An anthelmintic with schistosomicidal activity against Schistosoma mansoni, but not against other Schistosoma spp. Oxamniquine causes worms to shift from the mesenteric veins to the liver where the male worms are retained; the female worms return to the mesentery, but can no longer release eggs. (From Martindale, The Extra Pharmacopoeia, 31st ed, p121). oxamniquine : A racemate comprising equimolar amounts of (R)- and (S)-oxamniquine. An anthelmintic, it is administered orally for the treatment of schistomiasis caused by Schistosoma mansoni (but not by other Schistosoma species); intramuscular administration is no longer used as it causes severe pain at the injection site.. {2-[(isopropylamino)methyl]-7-nitro-1,2,3,4-tetrahydroquinolin-6-yl}methanol : A member of the class of quinolines that is 1,2,3,4-tetrahydroquinoline which is substituted at positions 2, 6, and 7 by (isopropylamino)methyl, hydroxymethyl, and nitro groups, respectively. | 2.04 | 1 | 0 | aromatic primary alcohol; C-nitro compound; quinolines; secondary amino compound | |
trihexyphenidyl Trihexyphenidyl: One of the centrally acting MUSCARINIC ANTAGONISTS used for treatment of PARKINSONIAN DISORDERS and drug-induced extrapyramidal movement disorders and as an antispasmodic. | 2.41 | 1 | 0 | amine | |
metaraminol Metaraminol: A sympathomimetic agent that acts predominantly at alpha-1 adrenergic receptors. It has been used primarily as a vasoconstrictor in the treatment of HYPOTENSION.. metaraminol : A member of the class of phenylethanolamines that is 2-amino-1-phenylethanol substituted by a methyl group at position 2 and a phenolic hydroxy group at position 1. A sympathomimetic agent , it is used in the treatment of hypotension. | 2.03 | 1 | 0 | phenylethanolamines | alpha-adrenergic agonist; sympathomimetic agent; vasoconstrictor agent |
serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.02 | 1 | 0 | L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 2.1 | 1 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
2,3,4,6-tetrachlorophenol 2,3,4,6-tetrachlorophenol: RN given refers to parent cpd; see also record for tetrachlorophenol with locants for chloro groups not specified. 2,3,4,6-tetrachlorophenol : A tetrachlorophenol in which the chlorines are located at positions 2, 3, 4, and 6. | 2.03 | 1 | 0 | tetrachlorophenol | xenobiotic metabolite |
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. | 2.05 | 1 | 0 | monohydroxyquinoline; quinolone | bacterial xenobiotic metabolite |
p-dimethylaminoazobenzene p-Dimethylaminoazobenzene: A reagent used mainly to induce experimental liver cancer. According to the Fourth Annual Report on Carcinogens (NTP 85-002, p. 89) published in 1985, this compound may reasonably be anticipated to be a carcinogen. (Merck, 11th ed) | 1.96 | 1 | 0 | azobenzenes | |
methoxamine Methoxamine: An alpha-1 adrenergic agonist that causes prolonged peripheral VASOCONSTRICTION.. methoxamine : An amphetamine in which the parent 1-phenylpropan-2-amine skeleton is substituted at position 1 with an hydroxy group and the phenyl ring is 2- and 5-substituted with methoxy groups. It is an antihypotensive agent (pressor), an agonist acting directly at alpha-adrenoceptors with selectivity for the alpha-1 adrenoceptor subtype similar to phenylephrine . | 2.03 | 1 | 0 | amphetamines | alpha-adrenergic agonist; antihypotensive agent |
9,10-anthraquinone 9,10-anthraquinone : An anthraquinone that is anthracene in which positions 9 and 10 have been oxidised to carbonyls. | 7.03 | 1 | 0 | anthraquinone | |
2,4,6-trichlorophenol [no description available] | 2.03 | 1 | 0 | trichlorophenol | carcinogenic agent |
4-toluenesulfonyl chloride [no description available] | 2.41 | 1 | 0 | | |
trehalose alpha,alpha-trehalose : A trehalose in which both glucose residues have alpha-configuration at the anomeric carbon. | 3.12 | 1 | 0 | trehalose | Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
tetraphenylborate Tetraphenylborate: An anionic compound that is used as a reagent for determination of potassium, ammonium, rubidium, and cesium ions. It also uncouples oxidative phosphorylation and forms complexes with biological materials, and is used in biological assays. | 1.97 | 1 | 0 | | |
benzo(b)fluorene benzo(b)fluorene: structure in first source | 2.08 | 1 | 0 | carbotetracyclic compound | |
quinazolines Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 2.1 | 1 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinazolines | |
benzoxazoles 1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton. | 2.06 | 1 | 0 | 1,3-benzoxazoles; mancude organic heterobicyclic parent | |
triethylenediamine triethylenediamine: RN given refers to parent cpd. triethylenediamine : An organic heterobicylic compound that is piperazine with an ethane-1,2-diyl group forming a bridge between N1 and N4. It is typically used as a catalyst in polymerization reactions. | 2.11 | 1 | 0 | bridged compound; diamine; saturated organic heterobicyclic parent; tertiary amino compound | antioxidant; catalyst; reagent |
fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.03 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
maleimide [no description available] | 1.98 | 1 | 0 | dicarboximide; maleimides | EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
isoserine isoserine: RN given refers to cpd without isomeric designation | 2.02 | 1 | 0 | | |
iodobenzene iodobenzene: RN given refers to unlabeled parent cpd | 7.06 | 1 | 0 | | |
triphenylphosphine triphenylphosphine: RN given refers to parent cpd. triphenylphosphine : A member of the class of tertiary phosphines that is phosphane in which the three hydrogens are replaced by phenyl groups. | 2.46 | 2 | 0 | benzenes; tertiary phosphine | NMR chemical shift reference compound; reducing agent |
dansyl chloride dansyl chloride: RN given refers to unlabeled cpd | 2.67 | 3 | 0 | aminonaphthalene; sulfonic acid derivative | |
2,3,4,5,6-pentafluorophenol 2,3,4,5,6-pentafluorophenol: RN given refers to parent cpd; structure given in first source | 2.03 | 1 | 0 | | |
2-phenylpyridine 2-phenylpyridine: structure given in first source | 2.06 | 1 | 0 | | |
tetrabutylammonium tetrabutylammonium: lipophilic probe; RN given refers to parent cpd | 7.15 | 1 | 0 | quaternary ammonium ion | |
fluorescein Fluorescein: A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium such as the aqueous humor.. fluorescein (lactone form) : A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy. | 2.05 | 1 | 0 | 2-benzofurans; gamma-lactone; organic heteropentacyclic compound; oxaspiro compound; polyphenol; xanthene dye | fluorescent dye; radioopaque medium |
sulfuryl fluoride sulfuryl fluoride: fumigant | 2.74 | 3 | 0 | sulfuryl halide | fumigant insecticide |
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. | 2.77 | 3 | 0 | metal allergen; nickel group element atom; platinum group metal 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. | 7.77 | 3 | 0 | iron group element atom; platinum group metal atom | |
tungsten Tungsten: A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus. | 1.97 | 1 | 0 | chromium group element atom | micronutrient |
ferric chloride ferric chloride: RN given refers to cpd with MF of Fe-Cl3; used to induce experimental arterial thrombosis to evaluate antithrombotic agents | 2.6 | 1 | 0 | iron coordination entity | astringent; Lewis acid |
tungstate [no description available] | 1.97 | 1 | 0 | divalent inorganic anion; tungsten oxoanion | |
fluorine Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 2.07 | 1 | 0 | diatomic fluorine; gas molecular entity | NMR chemical shift reference compound |
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.25 | 1 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
chlorosulfonic acid [no description available] | 7.36 | 2 | 0 | | |
fluorides [no description available] | 2.11 | 1 | 0 | halide anion; monoatomic fluorine | |
alkenes [no description available] | 7.79 | 3 | 0 | | |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.03 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
ribavirin Rebetron: Rebetron is tradename | 2.6 | 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 |
trifluoromethanesulfonic acid trifluoromethanesulfonic acid: deblocking reagent for peptide synthesis; RN given refers to parent cpd. triflic acid : A one-carbon compound that is methanesulfonic acid in which the hydrogens attached to the methyl carbon have been replaced by fluorines. | 2.08 | 1 | 0 | one-carbon compound; perfluoroalkanesulfonic acid | |
isothiocyanic acid [no description available] | 2.05 | 1 | 0 | hydracid; one-carbon compound | |
chlorosulfonyl isocyanate chlorosulfonyl isocyanate: structure in first source | 2.03 | 1 | 0 | | |
4-n,n-dimethylaminoazobenzene-4'-sulfonyl chloride 4-N,N-dimethylaminoazobenzene-4'-sulfonyl chloride: chromophoric labelling reagent for amino acids, peptides, proteins; structure | 1.96 | 1 | 0 | | |
cyanates Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 2.03 | 1 | 0 | | |
beta-lactams 2-azetidinone: structure in first source. azetidin-2-one : An unsubstituted beta-lactam compound.. beta-lactam : A lactam in which the amide bond is contained within a four-membered ring, which includes the amide nitrogen and the carbonyl carbon. | 2.02 | 1 | 0 | beta-lactam antibiotic allergen; beta-lactam | |
ezetimibe Ezetimibe: An azetidine derivative and ANTICHOLESTEREMIC AGENT that inhibits intestinal STEROL absorption. It is used to reduce total CHOLESTEROL; LDL CHOLESTEROL, and APOLIPOPROTEINS B in the treatment of HYPERLIPIDEMIAS.. ezetimibe : A beta-lactam that is azetidin-2-one which is substituted at 1, 3, and 4 by p-fluorophenyl, 3-(p-fluorophenyl)-3-hydroxypropyl, and 4-hydroxyphenyl groups, respectively (the 3R,3'S,4S enantiomer). | 2.02 | 1 | 0 | azetidines; beta-lactam; organofluorine compound | anticholesteremic drug; antilipemic drug; antimetabolite |
organophosphonates hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 2.1 | 1 | 0 | divalent inorganic anion; phosphite ion | |
2-trimethylsilyloxyfuran 2-trimethylsilyloxyfuran: structure in first source | 2.1 | 1 | 0 | | |
trehalosamine trehalosamine: strucure in first source | 3.12 | 1 | 0 | amino disaccharide; glycosyl glycoside derivative | |
resveratrol trans-resveratrol : A resveratrol in which the double bond has E configuration. | 2.6 | 1 | 0 | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
cocaine Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 1.98 | 1 | 0 | benzoate ester; methyl ester; tertiary amino compound; tropane alkaloid | adrenergic uptake inhibitor; central nervous system stimulant; dopamine uptake inhibitor; environmental contaminant; local anaesthetic; mouse metabolite; plant metabolite; serotonin uptake inhibitor; sodium channel blocker; sympathomimetic agent; vasoconstrictor agent; xenobiotic |
glycosides [no description available] | 3.58 | 2 | 0 | | |
triethylammonium cation triethylammonium ion : An organoammonium cation having three ethyl substituents on the nitrogen atom. | 1.97 | 1 | 0 | ammonium ion derivative | |
calixarenes Calixarenes: Phenolic metacyclophanes derived from condensation of PHENOLS and ALDEHYDES. The name derives from the vase-like molecular structures. A bracketed [n] indicates the number of aromatic rings.. calixarenes : Originally macrocyclic compounds capable of assuming a basket (or "calix") shaped conformation. They are formed from p-hydrocarbyl phenols and formaldehyde. The term now applies to a variety of derivatives by substitution of the hydrocarbon cyclo{oligo[(1,3-phenylene)methylene]}.. calixarene : A macrocycle composed of 1,3-phenylene groups linked by methylene groups. The number of 1,3-phenylene units in the macrocycle is denoted by the "n" in calix[n]arene name. | 2.1 | 1 | 0 | | |
sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 7.75 | 3 | 0 | chalcogen; nonmetal atom | macronutrient |
sepharose agarose : A linear polysaccharide made up from alternating D-galactose and 3,6-anhydro-alpha-L-galactopyranose residues joined by alpha-(1->3)- and beta-(1->4)-linkages. | 2.37 | 2 | 0 | | |
glucagon Glucagon: A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511). glucagon : A 29-amino acid peptide hormone consisting of His, Ser, Gln, Gly, Thr, Phe, Thr, Ser, Asp, Tyr, Ser, Lys, Tyr, Leu, Asp, Ser, Arg, Arg, Ala, Gln, Asp, Phe, Val, Gln, Trp, Leu, Met, Asn and Thr residues joined in sequence. | 2.01 | 1 | 0 | peptide hormone | |
cardiovascular agents Cardiovascular Agents: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. | 2.03 | 1 | 0 | | |
beta-sultam beta-sultam: structure in first source | 2.77 | 3 | 0 | | |
piperidines Piperidines: A family of hexahydropyridines. | 2.41 | 1 | 0 | | |
bl 4162a anagrelide: imidazoquinazoline derivative which lowers platelet count probably by inhibiting thrombopoiesis and reduces platelet aggregation; used for thrombocythemia; structure in first source. anagrelide : A 1,5-dihydroimidazo[2,1-]quinazoline having an oxo substituent at the 2-position and chloro substituents at the 6- and 7-positions. | 2.1 | 1 | 0 | imidazoquinazoline | anticoagulant; antifibrinolytic drug; cardiovascular drug; platelet aggregation inhibitor |