Substance | Relationship Strength | Studies | Trials | Classes | Roles |
theophylline [no description available] | 3.38 | 1 | 1 | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent |
aspirin Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | 1.99 | 1 | 0 | benzoic acids; phenyl acetates; salicylates | anticoagulant; antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; EC 1.1.1.188 (prostaglandin-F synthase) inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; plant activator; platelet aggregation inhibitor; prostaglandin antagonist; teratogenic agent |
cetirizine Cetirizine: A potent second-generation histamine H1 antagonist that is effective in the treatment of allergic rhinitis, chronic urticaria, and pollen-induced asthma. Unlike many traditional antihistamines, it does not cause drowsiness or anticholinergic side effects.. cetirizine : A member of the class of piperazines that is piperazine in which the hydrogens attached to nitrogen are replaced by a (4-chlorophenyl)(phenyl)methyl and a 2-(carboxymethoxy)ethyl group respectively. | 2.02 | 1 | 0 | ether; monocarboxylic acid; monochlorobenzenes; piperazines | anti-allergic agent; environmental contaminant; H1-receptor antagonist; xenobiotic |
hydroxyurea [no description available] | 9.83 | 18 | 10 | one-carbon compound; ureas | antimetabolite; antimitotic; antineoplastic agent; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; genotoxin; immunomodulator; radical scavenger; teratogenic 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. | 1.99 | 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 |
iodixanol iodixanol: dimeric contrast media; structure given in first source. iodixanol : A dimeric, non-ionic, water-soluble, radiographic contrast agent, used particularly in coronary angiography. | 4.36 | 1 | 1 | organoiodine compound | radioopaque medium |
ly 171883 LY 171883: structure in first source; leukotriene receptor antagonist. tomelukast : A member of the class of acetophenones that is 1-phenylethanone substituted at position 2 by a hydroxy group, a propyl group at position 3 and a 4-(1H-tetrazol-5-yl)butoxy group at position 4. A leukotriene antagonist, it exhibits anti-asthmatic activity. | 3.09 | 1 | 0 | acetophenones; aromatic ether; phenols; tetrazoles | anti-asthmatic drug; leukotriene antagonist |
ono 1078 pranlukast: SRS-A antagonist; leukotriene D4 receptor antagonist | 3.09 | 1 | 0 | chromones | |
pf 5901 alpha-pentyl-3-(2-quinolinylmethoxy)benzenemethanol: structure given in first source; platelet activating factor antagonist | 3.09 | 1 | 0 | quinolines | |
ici 204,219 zafirlukast: a leukotriene D4 receptor antagonist | 3.09 | 1 | 0 | carbamate ester; indoles; N-sulfonylcarboxamide | anti-asthmatic agent; leukotriene antagonist |
ethinyl estradiol Ethinyl Estradiol: A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.. 17alpha-ethynylestradiol : A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration. | 3.38 | 1 | 1 | 17-hydroxy steroid; 3-hydroxy steroid; terminal acetylenic compound | xenoestrogen |
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 1.99 | 1 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
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. | 1.99 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
levonorgestrel Levonorgestrel: A synthetic progestational hormone with actions similar to those of PROGESTERONE and about twice as potent as its racemic or (+-)-isomer (NORGESTREL). It is used for contraception, control of menstrual disorders, and treatment of endometriosis. | 3.38 | 1 | 1 | 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; terminal acetylenic compound | contraceptive drug; female contraceptive drug; progestin; synthetic oral contraceptive |
d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 1.99 | 1 | 0 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
bw-755c 4,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amine: A dual inhibitor of both cyclooxygenase and lipoxygenase pathways. It exerts an anti-inflammatory effect by inhibiting the formation of prostaglandins and leukotrienes. The drug also enhances pulmonary hypoxic vasoconstriction and has a protective effect after myocardial ischemia. | 1.99 | 1 | 0 | | |
ablukast [no description available] | 3.09 | 1 | 0 | | |
zileuton [no description available] | 4.34 | 6 | 0 | 1-benzothiophenes; ureas | anti-asthmatic drug; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; ferroptosis inhibitor; leukotriene antagonist; non-steroidal anti-inflammatory drug |
wy 48252 Wy 48252: leukotriene D4 antagonist | 3.09 | 1 | 0 | | |
pobilukast pobilukast: a leukotriene receptor antagonist; an antiasthmatic agent; structure in first source; RN refers to (R-(R*,S*)-isomer | 3.09 | 1 | 0 | | |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 3.38 | 1 | 1 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
a 78773 A 78773: a 5-lipoxygenase inhibitor | 2.39 | 2 | 0 | | |
a-76745 fenleuton: LoFrin is tradename | 1.99 | 1 | 0 | | |
fpl 55712 FPL 55712: inhibitor of SRS-A and LTC4 and LTD4 receptors | 3.09 | 1 | 0 | aromatic ketone | |
sc 41930 SC 41930: leukotriene B4 receptor antagonist; structure in first source | 3.09 | 1 | 0 | | |
l 648051 L 648051: antagonist of leukotriene D4 receptor; structure in first source | 3.09 | 1 | 0 | | |
ly 255283 LY 255283: structure given in UD; leukotriene B4 antagonist | 3.09 | 1 | 0 | aromatic ketone | |
bay x 1005 2-(4-(quinolin-2-yl-methoxy)phenyl)-2-cyclopentylacetic acid: inhibits synthesis of leukotriene B4 and 5-hydroxyeicosatetraenoic acid; inhibits five-lipoxygenase activating protein(FLAP)and leukotriene A4 hydrolase(LTA4H); structure given in first source; | 3.09 | 1 | 0 | | |
sr 2640 SR 2640: leukotriene D4 and E4 antagonist | 3.09 | 1 | 0 | quinolines | |
rg 12525 RG 12525: leukotriene D4 antagonist; structure in first source | 3.09 | 1 | 0 | | |
ici d2138 ICI D2138: structure given in first source; inhibitor of leukotriene B4 synthesis | 3.09 | 1 | 0 | | |
ly 293111 LY 293111: a leukotriene B4 receptor antagonist; structure given in first source | 3.09 | 1 | 0 | aromatic ether | |
7-(3-(2-(cyclopropylmethyl)-3-methoxy-4-((methylamino)carbonyl)phenoxy)propoxy)-3,4-dihydro-8-propyl-2h-1-benzopyran-2-propanoic acid 7-(3-(2-(cyclopropylmethyl)-3-methoxy-4-((methylamino)carbonyl)phenoxy)propoxy)-3,4-dihydro-8-propyl-2H-1-benzopyran-2-propanoic acid: structure in first source; inhibits leukotriene B4 receptors | 3.09 | 1 | 0 | | |
l 663536 MK-886: orally active leukotriene biosynthesis inhibitor. 3-[3-(tert-butylsulfanyl)-1-(4-chlorobenzyl)-5-(propan-2-yl)-1H-indol-2-yl]-2,2-dimethylpropanoic acid : A member of the class of indoles that is 1H-indole substituted by a isopropyl group at position 5, a tert-butylsulfanediyl group at position 3, a 4-chlorobenzyl group at position 1 and a 2-carboxy-2-methylpropyl group at position 2. It acts as an inhibitor of arachidonate 5-lipoxygenase. | 3.09 | 1 | 0 | aryl sulfide; indoles; monocarboxylic acid; monochlorobenzenes | antineoplastic agent; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; leukotriene antagonist |
leukotriene b4 Leukotriene B4: The major metabolite in neutrophil polymorphonuclear leukocytes. It stimulates polymorphonuclear cell function (degranulation, formation of oxygen-centered free radicals, arachidonic acid release, and metabolism). (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene B4 : A leukotriene composed of (6Z,8E,10E,14Z)-icosatetraenoic acid having (5S)- and (12R)-hydroxy substituents. It is a lipid mediator of inflammation that is generated from arachidonic acid via the 5-lipoxygenase pathway. | 5.28 | 2 | 2 | dihydroxy monocarboxylic acid; hydroxy polyunsaturated fatty acid; leukotriene; long-chain fatty acid | human metabolite; mouse metabolite; plant metabolite; vasoconstrictor agent |
leukotriene e4 Leukotriene E4: A biologically active principle of SRS-A that is formed from LEUKOTRIENE D4 via a peptidase reaction that removes the glycine residue. The biological actions of LTE4 are similar to LTC4 and LTD4. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene E4 : A leukotriene that is (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid substituted by a hydroxy group at position 5 (5S) and an L-cystein-S-yl group at position 6 (6R). | 5.56 | 3 | 2 | amino dicarboxylic acid; L-cysteine thioether; leukotriene; non-proteinogenic L-alpha-amino acid; secondary alcohol | |
montelukast montelukast: a leukotriene D4 receptor antagonist | 3.09 | 1 | 0 | aliphatic sulfide; monocarboxylic acid; quinolines | anti-arrhythmia drug; anti-asthmatic drug; leukotriene antagonist |
sb 201993 (E)-3-((((6-(2-carboxyethenyl)-5-((8-(4-methoxyphenyl)octyl)oxy)-2-pyridinyl)methyl)thio)methyl)benzoic acid: structure given in first source; a competitive LTB(4) receptor antagonist | 3.09 | 1 | 0 | | |
bwa 4c [no description available] | 3.09 | 1 | 0 | | |
ono 4057 ONO-LB 457: LTB4 receptor antagonist; structure given in first source | 3.09 | 1 | 0 | | |
ticolubant Ticolubant: a leukotriene B4 antagonist | 3.09 | 1 | 0 | | |
bay x 7195 BAY x 7195: structure given in first source | 3.09 | 1 | 0 | | |
ly 223982 LY 223982: RN & structure in first source; leukotriene B4 antagonist | 3.09 | 1 | 0 | | |
cp 105696 CP 105696: a leukotriene B4 receptor antagonist; structure in first source | 3.09 | 1 | 0 | | |
abbott 66193 N-dehydroxyzileuton: structure given in first source | 1.99 | 1 | 0 | 1-benzothiophenes | |
mk 0571 [no description available] | 3.09 | 1 | 0 | | |
gsk2256294 [no description available] | 2.25 | 1 | 0 | | |