Substance | Relationship Strength | Studies | Trials | Classes | Roles |
citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 1.96 | 1 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
gallic acid gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 1.99 | 1 | 0 | trihydroxybenzoic acid | antineoplastic agent; antioxidant; apoptosis inducer; astringent; cyclooxygenase 2 inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; geroprotector; human xenobiotic metabolite; plant metabolite |
hydroquinone [no description available] | 2.03 | 1 | 0 | benzenediol; hydroquinones | antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent |
lipoamide Lipozyme: lipase from Rhizomucor miehei immobilized on anion exchange resin | 2.01 | 1 | 0 | dithiolanes; monocarboxylic acid amide | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
thioctic acid Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS. | 2.01 | 1 | 0 | dithiolanes; heterocyclic fatty acid; thia fatty acid | fundamental metabolite; geroprotector |
carbazilquinone Carbazilquinone: An alkylating agent structurally similar to MITOMYCIN and found to be effective in the treatment of leukemia and various other neoplasms in mice. It causes leukemia and thrombocytopenia in almost all human patients. | 1.99 | 1 | 0 | organic molecular entity | |
chloroquine Chloroquine: The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses.. chloroquine : An aminoquinoline that is quinoline which is substituted at position 4 by a [5-(diethylamino)pentan-2-yl]amino group at at position 7 by chlorine. It is used for the treatment of malaria, hepatic amoebiasis, lupus erythematosus, light-sensitive skin eruptions, and rheumatoid arthritis. | 2.17 | 1 | 0 | aminoquinoline; organochlorine compound; secondary amino compound; tertiary amino compound | anticoronaviral agent; antimalarial; antirheumatic drug; autophagy inhibitor; dermatologic drug |
diuron Diuron: A pre-emergent herbicide.. diuron : A member of the class of 3-(3,4-substituted-phenyl)-1,1-dimethylureas that is urea in which both of the hydrogens attached to one nitrogen are substituted by methyl groups, and one of the hydrogens attached to the other nitrogen is substituted by a 3,4-dichlorophenyl group. | 2.15 | 1 | 0 | 3-(3,4-substituted-phenyl)-1,1-dimethylurea; dichlorobenzene | environmental contaminant; mitochondrial respiratory-chain inhibitor; photosystem-II inhibitor; urea herbicide; xenobiotic |
juglone juglone: structure. juglone : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogen at position 5 has been replaced by a hydroxy group. A plant-derived 1,4-naphthoquinone with confirmed antibacterial and antitumor activities. | 2.1 | 1 | 0 | hydroxy-1,4-naphthoquinone | geroprotector; herbicide; reactive oxygen species generator |
vitamin k 3 Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo. | 2.71 | 3 | 0 | 1,4-naphthoquinones; vitamin K | angiogenesis inhibitor; antineoplastic agent; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; human urinary metabolite; nutraceutical |
ubiquinone q1 Ubiquinone Q1: interacts with iron atom to form acceptor quinone complex. ubiquinone-1 : A compound composed of the standard 2,3-dimethoxy-5-methylbenzoquinone nucleus common to ubiquinones; and a side chain of a single isoprenoid unit. | 2.05 | 1 | 0 | ubiquinones | |
quinone benzoquinone : The simplest members of the class of benzoquinones, consisting of cyclohexadiene which is substituted by two oxo groups.. 1,4-benzoquinone : The simplest member of the class of 1,4-benzoquinones, obtained by the formal oxidation of hydroquinone to the corresponding diketone. It is a metabolite of benzene.. quinone : Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by conversion of an even number of -CH= groups into -C(=O)- groups with any necessary rearrangement of double bonds (polycyclic and heterocyclic analogues are included). | 2.43 | 2 | 0 | 1,4-benzoquinones | cofactor; human xenobiotic metabolite; mouse metabolite |
triaziquone Triaziquone: Alkylating antineoplastic agent used mainly for ovarian tumors. It is toxic to skin, gastrointestinal tract, bone marrow and kidneys.. triaziquone : A member of the class of 1,4-benzoquinones that is 1,4-benzoquinone in which three of the ring hydrogens are replaced by aziridin-1-yl groups. | 1.99 | 1 | 0 | 1,4-benzoquinones; aziridines | alkylating agent; antineoplastic agent |
rotenone Derris: A plant genus of the family FABACEAE. The root is a source of rotenoids (ROTENONE) and flavonoids. Some species of Pongamia have been reclassified to this genus and some to MILLETTIA. Some species of Deguelia have been reclassified to this genus.. rotenoid : Members of the class of tetrahydrochromenochromene that consists of a cis-fused tetrahydrochromeno[3,4-b]chromene skeleton and its substituted derivatives. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds. | 2.05 | 1 | 0 | organic heteropentacyclic compound; rotenones | antineoplastic agent; metabolite; mitochondrial NADH:ubiquinone reductase inhibitor; phytogenic insecticide; piscicide; toxin |
2-methyl-1,4-hydroquinone 2-methyl-1,4-hydroquinone: structure given in first source. toluquinol : A member of the class of hydroquinones that is hydroquinone in which one of the benzene hydrogens has been replaced by a methyl group. | 2.17 | 1 | 0 | hydroquinones | angiogenesis inhibitor; anti-inflammatory agent; Penicillium metabolite |
chloranil Chloranil: A quinone fungicide used for treatment of seeds and foliage.. tetrachloro-1,4-benzoquinone : A member of the class of 1,4-benzoquiones that is 1,4-benzoquinone in which all four hydrogens are substituted by chlorines. | 2.17 | 1 | 0 | 1,4-benzoquinones; organochlorine compound | EC 2.7.1.33 (pantothenate kinase) inhibitor; metabolite |
1,4-naphthoquinone naphthoquinone : A polycyclic aromatic ketone metabolite of naphthalene.. 1,4-naphthoquinone : The parent structure of the family of 1,4-naphthoquinones, in which the oxo groups of the quinone moiety are at positions 1 and 4 of the naphthalene ring. Derivatives have pharmacological properties. | 2.71 | 3 | 0 | 1,4-naphthoquinones | |
2,5-dimethyl-4-benzoquinone [no description available] | 2.39 | 2 | 0 | | |
phenylbenzoquinone phenylbenzoquinone: RN given refers to parent cpd | 2.1 | 1 | 0 | | |
naphthazarin naphthazarin: fish toxin; isolated for first time from the walnut onigurmi, Juglans mandshurica maxim var. Sieboldiana Makino; structure. naphthazarin : A naphthoquinone that is 1,4-naphthoquinone in which the hydrogens at positions 5 and 8 are replaced by hydroxy groups. | 2.1 | 1 | 0 | hydroxy-1,4-naphthoquinone | acaricide; antibacterial agent; antineoplastic agent; apoptosis inducer; geroprotector; plant metabolite |
thymoquinone thymoquinone: constituent of cedarwood; can cause dermatitis; structure. thymoquinone : A member of the class of 1,4-benzoquinones that is 1,4-bezoquinone in which the hydrogens at positions 2 and 5 are replaced by methyl and isopropyl groups, respectively. It is a natural compound isolated from Nigella sativa which has demonstrated promising chemotherapeutic activity. | 2.53 | 2 | 0 | 1,4-benzoquinones | adjuvant; anti-inflammatory agent; antidepressant; antineoplastic agent; antioxidant; cardioprotective agent; plant metabolite |
syringic acid syringic acid: RN given refers to parent cpd; structure in third source. syringic acid : A dimethoxybenzene that is 3,5-dimethyl ether derivative of gallic acid. | 1.99 | 1 | 0 | benzoic acids; dimethoxybenzene; phenols | plant metabolite |
2-methyl-1,4-benzoquinone cresoquinone: no further information available 6/2003 | 3.12 | 5 | 0 | | |
2,5-dichlorobenzoquinone 2,5-dichlorobenzoquinone: an intermediate in gamma-hexachlorocyclohexane degradation by Xanthomonas | 2.1 | 1 | 0 | | |
2,6-dichloro-4-nitrophenol [no description available] | 1.99 | 1 | 0 | | |
2-chloro-1,4-naphthoquinone 2-chloro-1,4-naphthoquinone: Vitamin K dependent carboxylase antagonist | 1.99 | 1 | 0 | 1,4-naphthoquinones; organochlorine compound | |
paraquat Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 1.96 | 1 | 0 | organic cation | geroprotector; herbicide |
2,5-di-tert-butylbenzoquinone [no description available] | 2.17 | 1 | 0 | benzoquinones; p-quinones | |
2-amino-3-chloro-1,4-naphthoquinone 2-amino-3-chloro-1,4-naphthoquinone: has antineoplastic activity; structure in first source | 1.99 | 1 | 0 | 1,4-naphthoquinones | |
2-tert-butyl-4-quinone 2-tert-butyl-4-quinone: a metabolite of butylated hydroxyanisole ; structure given in first source | 2.17 | 1 | 0 | | |
argon Argon: A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used. | 2 | 1 | 0 | monoatomic argon; noble gas atom; p-block element atom | food packaging gas; neuroprotective agent |
gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.03 | 1 | 0 | copper group element atom; elemental gold | |
dibromothymoquinone Dibromothymoquinone: At low concentrations, this compound inhibits reduction of conventional hydrophilic electron acceptors, probably acting as a plastoquinone antagonist. At higher concentrations, it acts as an electron acceptor, intercepting electrons either before or at the site of its inhibitory activity. | 2.17 | 1 | 0 | 1,4-benzoquinones | cytochrome-b6f complex inhibitor |
paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 2.17 | 1 | 0 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
diaziquone diaziquone: RN given refers to parent cpd. diaziquone : A 1,4-benzoquinone that is substituted at positions 2 and 5 have been replaced by aziridin-1-yl groups and at positions 3 and 6 by (ethoxycarbonyl)amino groups. | 1.99 | 1 | 0 | 1,4-benzoquinones; aziridines; carbamate ester; enamine | alkylating agent; antineoplastic agent |
duroquinone tetramethyl-1,4-benzoquinone: structure in first source. duroquinone : A member of the class of 1,4-benzoquinones that is 1,4-benzoquinone in which all four hydrogens are substituted by methyl groups. | 2.39 | 2 | 0 | 1,4-benzoquinones | |
2,6-dimethoxy-1,4-benzoquinone 2,6-dimethoxy-1,4-benzoquinone: structure given in first source | 2.1 | 1 | 0 | | |
ubiquinone-o 2,3-dimethoxy-5-methyl-p-benzoquinone: from solid-cultured Antrodia camphorata; structure in first source. ubiquinone-0 : A derivative of benzoquinone carrying a 5-methyl substituent; and methoxy substituents at positions 2 and 3. The core structure of the ubiquinone group of compounds. | 2.42 | 2 | 0 | ubiquinones | Escherichia coli metabolite; human metabolite |
2-chloro-1,4-benzoquinone 2-chloro-1,4-benzoquinone: structure in first source | 2.1 | 1 | 0 | | |
2-bromo-1,4-naphthoquinone 2-bromo-1,4-naphthoquinone: structure in first source | 1.99 | 1 | 0 | | |
nsc 30705 NSC 30705: RN given refers to parent cpd; structure given in first source | 1.99 | 1 | 0 | | |
ethylenimine quinone 2,5-bis(aziridin-1-yl)-1,4-benzoquinone : A member of the class of 1,4-benzoquinones that is p-benzoquinone in which the hydrogens at positions 2 and 5 are replaced by aziridin-1-yl groups. | 2.39 | 2 | 0 | 1,4-benzoquinones; aziridines | alkylating agent; mutagen |
thymohydroquinone thymohydroquinone: structure | 2.17 | 1 | 0 | | |
daq [no description available] | 2.17 | 1 | 0 | | |
nsc 224070 NSC 224070: structure given in first source. 2,5-bis(2-hydroxyethylamino)-3,6-diaziridinylbenzoquinone : A member of the class of 1,4-benzoquinones that is 1,4-benzoquinone in which the hydrogens at positions 2 and 5 have been replaced by aziridin-1-yl groups while the hydrogens at positions 3 and 6 have been replaced by (2-hydroxyethyl)amino groups. | 1.99 | 1 | 0 | 1,4-benzoquinones; aziridines; enamine; primary alcohol; secondary amino compound | alkylating agent; antineoplastic agent |
2-methylamino-1,4-naphthoquinone 2-methylamino-1,4-naphthoquinone: structure in first source | 1.99 | 1 | 0 | | |
flavin-adenine dinucleotide Flavin-Adenine Dinucleotide: A condensation product of riboflavin and adenosine diphosphate. The coenzyme of various aerobic dehydrogenases, e.g., D-amino acid oxidase and L-amino acid oxidase. (Lehninger, Principles of Biochemistry, 1982, p972) | 2.01 | 1 | 0 | flavin adenine dinucleotide; vitamin B2 | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; prosthetic group |
naphthoquinones Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 2 | 1 | 0 | | |
plastoquinone [no description available] | 2.17 | 1 | 0 | plastoquinone | |
cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 2.03 | 1 | 0 | cysteinium | fundamental metabolite |
piericidin a piericidin A: pyridine-substituted fatty alcohol antibiotic; minor descriptor (75-85); on-line & Index Medicus search ANTIBIOTICS (75-85); RN given refers to (S-(R*,R*-(all-E)))-isomer. piericidin A : A member of the class of monohydroxypyridines that acts as an irreversible mitochondrial Complex I inhibitor that strongly associates with ubiquinone binding sites in both mitochondrial and bacterial forms of NADH:ubiquinone oxidoreductase | 2.42 | 2 | 0 | aromatic ether; methylpyridines; monohydroxypyridine; secondary allylic alcohol | antimicrobial agent; bacterial metabolite; EC 1.6.5.3 [NADH:ubiquinone reductase (H(+)-translocating)] inhibitor; mitochondrial respiratory-chain inhibitor |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.01 | 1 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
chlorophyll a Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.15 | 1 | 0 | chlorophyll; methyl ester | cofactor |
nitrophenols Nitrophenols: PHENOLS carrying nitro group substituents. | 1.99 | 1 | 0 | | |