Substance | Relationship Strength | Studies | Trials | Classes | Roles |
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. | 2.41 | 1 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
emodin Emodin: Purgative anthraquinone found in several plants, especially RHAMNUS PURSHIANA. It was formerly used as a laxative, but is now used mainly as a tool in toxicity studies.. emodin : A trihydroxyanthraquinone that is 9,10-anthraquinone which is substituted by hydroxy groups at positions 1, 3, and 8 and by a methyl group at position 6. It is present in the roots and barks of numerous plants (particularly rhubarb and buckthorn), moulds, and lichens. It is an active ingredient of various Chinese herbs. | 2.07 | 1 | 0 | trihydroxyanthraquinone | antineoplastic agent; laxative; plant metabolite; tyrosine kinase inhibitor |
thymidine [no description available] | 2.05 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite |
chloramphenicol Amphenicol: Chloramphenicol and its derivatives. | 2.01 | 1 | 0 | C-nitro compound; carboxamide; diol; organochlorine compound | antibacterial drug; antimicrobial agent; Escherichia coli metabolite; geroprotector; Mycoplasma genitalium metabolite; protein synthesis inhibitor |
4-butyrolactone 4-Butyrolactone: One of the FURANS with a carbonyl thereby forming a cyclic lactone. It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. It is also used as a pharmacological agent and solvent.. tetrahydrofuranone : Any oxolane having an oxo- substituent at any position on the tetrahydrofuran ring.. gamma-butyrolactone : A butan-4-olide that is tetrahydrofuran substituted by an oxo group at position 2. | 2.07 | 1 | 0 | butan-4-olide | metabolite; neurotoxin |
4-fluorobenzoic acid [no description available] | 2.41 | 1 | 0 | fluorobenzoic acid | bacterial xenobiotic metabolite |
liriodenine liriodenine: structure given in first source. liriodenine : An oxoaporphine alkaloid that is 4,5,6,6a-tetradehydronoraporphin-7-one substituted by a methylenedioxy group across positions 1 and 2. It is isolated from Annona glabra and has been shown to exhibit antimicrobial and cytotoxic activities. | 1.97 | 1 | 0 | alkaloid antibiotic; cyclic ketone; organic heteropentacyclic compound; oxacycle; oxoaporphine alkaloid | antifungal agent; antimicrobial agent; antineoplastic agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; metabolite |
vancomycin Vancomycin: Antibacterial obtained from Streptomyces orientalis. It is a glycopeptide related to RISTOCETIN that inhibits bacterial cell wall assembly and is toxic to kidneys and the inner ear.. vancomycin : A complex glycopeptide from Streptomyces orientalis. It inhibits a specific step in the synthesis of the peptidoglycan layer in the Gram-positive bacteria Staphylococcus aureus and Clostridium difficile. | 2.01 | 1 | 0 | glycopeptide | antibacterial drug; antimicrobial agent; bacterial metabolite |
helenalin helenalin: toxic principle of Helenium microcephalum (smallhead sneezeweed); structure. helenalin : A sesquiterpene lactone that is 3,3a,4,4a,7a,8,9,9a-octahydroazuleno[6,5-b]furan-2,5-dione substituted by a hydroxy group at position 4, methyl groups at positions 4a and 8 and a methylidene group at position 3 (the 3aS,4S,4aR,7aR,8R,9aR stereoisomer).. NF-kappaB inhibitor : An inhibitor of NF-kappaB (nuclear factor kappa-light-chain-enhancer of activated B cells), a protein complex involved in the transcription of DNA. | 2.72 | 3 | 0 | cyclic ketone; gamma-lactone; organic heterotricyclic compound; secondary alcohol; sesquiterpene lactone | anti-inflammatory agent; antineoplastic agent; metabolite; plant metabolite |
silybin silibinin : A flavonolignan isolated from milk thistle, Silybum marianum, that has been shown to exhibit antioxidant and antineoplastic activities. | 2.31 | 1 | 0 | aromatic ether; benzodioxine; flavonolignan; polyphenol; secondary alpha-hydroxy ketone | antineoplastic agent; antioxidant; hepatoprotective agent; plant metabolite |
propranolol hydrochloride Inderex: combination of above cpds; used in treatment of hypertension | 1.98 | 1 | 0 | hydrochloride | |
verapamil hydrochloride verapamil hydrochloride : A racemate comprising equimolar amounts of dexverapamil hydrochloride and (S)-verapamil hydrochloride. | 1.98 | 1 | 0 | | |
glucose, (beta-d)-isomer beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 2.41 | 2 | 0 | D-glucopyranose | epitope; mouse metabolite |
betulinic acid [no description available] | 2.07 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | anti-HIV agent; anti-inflammatory agent; antimalarial; antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; plant metabolite |
alpha-methylene gamma-butyrolactone alpha-methylene gamma-butyrolactone : A butan-4-olide having a methylene group at the 3-position. | 2 | 1 | 0 | butan-4-olide | anti-ulcer drug; gastrointestinal drug |
betulin betulin: isolated from various white birch bark (BETULA). betulin : A pentacyclic triterpenoid that is lupane having a double bond at position 20(29) as well as 3beta-hydroxy and 28-hydroxymethyl substituents. | 2.07 | 1 | 0 | diol; pentacyclic triterpenoid | analgesic; anti-inflammatory agent; antineoplastic agent; antiviral agent; metabolite |
zaluzanin C zaluzanin C: from Ainsliaea yunnanensis and Zaluzania robinsonii; structure in first source. zaluzanin C : A sesquiterpene lactone that is decahydroazuleno[4,5-b]furan-2(3H)-one substituted by methylidene groups at positions 3, 6 and 9 and a hydroxy group at position 8. | 2.01 | 1 | 0 | gamma-lactone; guaiane sesquiterpenoid; organic heterotricyclic compound; secondary alcohol; sesquiterpene lactone | EC 1.14.13.39 (nitric oxide synthase) inhibitor; metabolite |
dehydrocostus lactone dehydrocostus lactone : An organic heterotricyclic compound and guaianolide sesquiterpene lactone that is acrylic acid which is substituted at position 2 by a 4-hydroxy-3,8-bis(methylene)decahydoazulen-5-yl group and in which the hydroxy group and the carboxy group have undergone formal condensation to afford the corresponding gamma-lactone. | 3.14 | 5 | 0 | gamma-lactone; guaiane sesquiterpenoid; organic heterotricyclic compound; sesquiterpene lactone | antimycobacterial drug; antineoplastic agent; apoptosis inducer; cyclooxygenase 2 inhibitor; metabolite; trypanocidal drug |
isoalantolactone isoalantolactone: RN given refers to (3aR-(3aalpha,4aalpha,8abeta,9aalpha))-isomer; structure. isoalantolactone : A sesquiterpene lactone of the eudesmanolide group. It has been isolated from Inula helenium. | 2.41 | 2 | 0 | eudesmane sesquiterpenoid; sesquiterpene lactone | antifungal agent; apoptosis inducer; plant metabolite |
dehydroleucodine dehydroleucodine: has antimicrobial activity; RN given refers to (3aS-(3aalpha,9aalpha,9bbeta))-isomer | 2.43 | 2 | 0 | | |
beta-eudesmol beta-eudesmol: found in Atractylodes and other plants; RN given refers to (2R-(2alpha,4aalpha,8abeta))-isomer. beta-eudesmol : A carbobicyclic compound that is trans-decalin substituted at positions 2, 4a, and 8 by 2-hydroxypropan-2-yl, methyl and methylidene groups, respectively (the 2R,4aR,8aS-diastereoisomer). | 2 | 1 | 0 | carbobicyclic compound; eudesmane sesquiterpenoid; tertiary alcohol | volatile oil component |
elemol elemol: monocyclic sespuiterpenoid tertiary alcohol; RN given refers to (1R-(1alpha,3alpha,4beta))-isomer; structure in first source. elemol : A sesquiterpenoid that is isopropanol which is substituted at position 2 by a (3S,4S)-3-isopropenyl-4-methyl-4-vinylcyclohexyl group. | 2.07 | 1 | 0 | olefinic compound; sesquiterpenoid; tertiary alcohol | fragrance; plant metabolite |
Mexicanin I [no description available] | 2.43 | 2 | 0 | sesquiterpene lactone | |
parthenolide [no description available] | 8.08 | 5 | 0 | germacranolide | |
cynaropicrin cynaropicrin: structure given in first source; RN given for ((3aR-(3aalpha,4alpha,6aalpha,8beta,9aalpha,9bbeta)))-isomer | 1.99 | 1 | 0 | sesquiterpene lactone | |
mokko lactone mokko lactone: isolated from mokko, Saussurea lappa; structure in first source | 2.07 | 1 | 0 | | |
arnicolide d arnicolide D: cytotoxic; from Centipeda minima L.; structure in first source | 2.43 | 2 | 0 | sesquiterpene lactone | |
santonin Santonin: Anthelmintic isolated from the dried unexpanded flower heads of Artemisia maritima and other species of Artemisia found principally in Russian and Chinese Turkestan and the Southern Ural region. (From Merck, 11th ed.) | 2.41 | 2 | 0 | botanical anti-fungal agent; santonin | plant metabolite |
tenulin tenulin: toxic constituent of Helenium amarum (bitter sneezeweed); structure | 2.04 | 1 | 0 | sesquiterpene lactone | |
coronopilin coronopilin: isolated from Ambrosia arborescens | 2.04 | 1 | 0 | sesquiterpene lactone | |
Canin [no description available] | 2.72 | 3 | 0 | sesquiterpene lactone | |
grosheimin grosheimin: from the aerial parts of V. decurens; structure | 2.04 | 1 | 0 | sesquiterpene lactone | |
parthenin parthenin: sesqiterpene lactone from Parthenium hysterophorus; structure; RN given refers to 3aS-(3aalpha,6beta,6abeta,9abeta,9balpha)-isomer | 2.41 | 2 | 0 | sesquiterpene lactone | |
11alpha,13-dihydrohelenalin [no description available] | 2.43 | 2 | 0 | sesquiterpene lactone | |
reynosin reynosin: sesquiterpene derivative of costunolide. reynosin : A sesquiterpene lactone of the eudesmanolide group, found particularly in Magnolia grandiflora and Laurus nobilis. | 3.63 | 9 | 0 | organic heterotricyclic compound; sesquiterpene lactone | metabolite |
sesquiterpenes [no description available] | 3.83 | 11 | 0 | | |
eupatilin eupatilin: isolated from Artemisia argyi. eupatilin : A trimethoxyflavone that is flavone substituted by hydroxy groups at C-5 and C-7 and methoxy groups at C-6, C-3' and C-4' respectively. Isolated from Citrus reticulata and Salvia tomentosa, it exhibits anti-inflammatory, anti-ulcer and antineoplastic activities. | 2.21 | 1 | 0 | dihydroxyflavone; trimethoxyflavone | anti-inflammatory agent; anti-ulcer drug; antineoplastic agent; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; metabolite |
dinoprostone prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 2.07 | 1 | 0 | prostaglandins E | human metabolite; mouse metabolite; oxytocic |
costunolide [no description available] | 2.7 | 3 | 0 | germacranolide; heterobicyclic compound | anthelminthic drug; antiinfective agent; antineoplastic agent; antiparasitic agent; antiviral drug; metabolite |
molephantinin molephantinin: germacranolide from Elephantopus mollis; RN given refers to (3aR-(3aR*,4S*(E),6E,9Z,11S*,11aS*))-isomer; structure in first source | 2.43 | 2 | 0 | germacranolide | |
cyclosporine ramihyphin A: one of the metabolites produced by Fusarium sp. S-435; RN given refers to cpd with unknown MF | 2.21 | 1 | 0 | homodetic cyclic peptide | anti-asthmatic drug; anticoronaviral agent; antifungal agent; antirheumatic drug; carcinogenic agent; dermatologic drug; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; geroprotector; immunosuppressive agent; metabolite |
syringin syringin: a phenylpropanoid glycoside; see also eleutherosides & lyoniside for eleutheroside A: 474-58-8. syringin : A monosaccharide derivative that is trans-sinapyl alcohol attached to a beta-D-glucopyranosyl residue at position 1 via a glycosidic linkage. | 1.97 | 1 | 0 | beta-D-glucoside; dimethoxybenzene; monosaccharide derivative; primary alcohol | hepatoprotective agent; plant metabolite |
angiotensin amide psilostachyin A: has antineoplastic, anti-inflammatory, leishmanicidal, and molluscicidal activities; isolated from Ambrosia psilostachya; structure in first source | 2.04 | 1 | 0 | | |
furanoheliangolide furanoheliangolide: structure in first source | 2.43 | 2 | 0 | | |
costunolide [no description available] | 7.91 | 4 | 0 | | |
jaceosidin jaceosidin : A trihydroxyflavone that is flavone with hydroxy groups at positions 5, 7 and 4' and methoxy groups at positions 3' and 6. Isolated from Salvia tomentosa and Artemisia asiatica, it exhibits anti-allergic, anti-inflammatory and apoptosis inducing activties. | 2.21 | 1 | 0 | dimethoxyflavone; trihydroxyflavone | anti-allergic agent; anti-inflammatory agent; antineoplastic agent; apoptosis inducer; metabolite |
gentamicin sulfate [no description available] | 2.01 | 1 | 0 | | |
tirotundin tirotundin: structure in first source | 2.03 | 1 | 0 | | |
cumambrin b cumambrin B: RN given for (3aR-(3aalpha,4alpha,6alpha,6aalpha,9aalpha,9bbeta))-isomer; isolated from Chrysanthemum boreale; structure in first source | 2.43 | 2 | 0 | | |
chamissonolide chamissonolide: structure given in first source | 2.03 | 1 | 0 | | |
ilicic acid ilicic acid: from Inula viscosa; structure in first source | 2.04 | 1 | 0 | eudesmane sesquiterpenoid | |
eudesmanolide eudesmanolide: structure in first source | 2.04 | 1 | 0 | sesquiterpene lactone | |
achalensolide achalensolide: structure in first source | 2.43 | 2 | 0 | | |
centratherin centratherin: from Eremanthus eriopus (Asteraceae); structure in first source | 2.03 | 1 | 0 | | |