Page last updated: 2024-10-24

3',5'-cyclic-GMP phosphodiesterase activity

Definition

Target type: molecularfunction

Catalysis of the reaction: 3',5'-cyclic GMP + H2O = GMP + H+. [RHEA:16957]

Proteins (28)

ProteinDefinitionTaxonomy
cGMP-specific 3',5'-cyclic phosphodiesteraseA cGMP-specific 3,5-cyclic phosphodiesterase that is encoded in the genome of cow. [OMA:Q28156, PRO:DNx]Bos taurus (cattle)
Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1BA dual specificity calcium/calmodulin-dependent 3,5-cyclic nucleotide phosphodiesterase 1B that is encoded in the genome of cow. [OMA:Q01061, PRO:DNx]Bos taurus (cattle)
Retinal cone rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit gammaA retinal cone rhodopsin-sensitive cGMP 3,5-cyclic phosphodiesterase subunit gamma that is encoded in the genome of cow. [OMA:P22571, PRO:DNx]Bos taurus (cattle)
Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1A [no definition available]Bos taurus (cattle)
cGMP-dependent 3',5'-cyclic phosphodiesterase[no definition available]Bos taurus (cattle)
Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit gammaA protein that is a translation product of the PDE6G gene in cow. [PRO:DNx, UniProtKB:P04972]Bos taurus (cattle)
cAMP-specific 3',5'-cyclic phosphodiesterase 4BA 3,5-cyclic-AMP phosphodiesterase 4B that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q07343]Homo sapiens (human)
cAMP-specific 3',5'-cyclic phosphodiesterase 4AA 3,5-cyclic-AMP phosphodiesterase 4A that is encoded in the genome of human. [PRO:DNx, UniProtKB:P27815]Homo sapiens (human)
Rod cGMP-specific 3',5'-cyclic phosphodiesterase subunit betaA rod cGMP-specific 3,5-cyclic phosphodiesterase subunit beta that is encoded in the genome of human. [PRO:DNx, UniProtKB:P35913]Homo sapiens (human)
cGMP-inhibited 3',5'-cyclic phosphodiesterase BA cGMP-inhibited 3,5-cyclic phosphodiesterase 3B that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q13370]Homo sapiens (human)
cAMP-specific 3',5'-cyclic phosphodiesterase 4DA 3,5-cyclic-AMP phosphodiesterase 4D that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q08499]Homo sapiens (human)
Rod cGMP-specific 3',5'-cyclic phosphodiesterase subunit alphaA rod cGMP-specific 3,5-cyclic phosphodiesterase subunit alpha that is encoded in the genome of human. [PRO:DNx, UniProtKB:P16499]Homo sapiens (human)
High affinity cAMP-specific 3',5'-cyclic phosphodiesterase 7AA high affinity 3,5-cyclic-AMP phosphodiesterase 7A that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q13946]Homo sapiens (human)
cAMP-specific 3',5'-cyclic phosphodiesterase 7BA 3,5-cyclic-AMP phosphodiesterase 7B that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q9NP56]Homo sapiens (human)
Dual 3',5'-cyclic-AMP and -GMP phosphodiesterase 11AA dual 3,5-cyclic-AMP and -GMP phosphodiesterase 11A that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q9HCR9]Homo sapiens (human)
cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10AA cAMP and cAMP-inhibited cGMP 3,5-cyclic phosphodiesterase 10A that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q9Y233]Homo sapiens (human)
Cone cGMP-specific 3',5'-cyclic phosphodiesterase subunit alpha'A cone cGMP-specific 3,5-cyclic phosphodiesterase subunit alpha that is encoded in the genome of human. [PRO:DNx, UniProtKB:P51160]Homo sapiens (human)
High affinity cAMP-specific and IBMX-insensitive 3',5'-cyclic phosphodiesterase 8BA high affinity cAMP-specific and IBMX-insensitive 3,5-cyclic phosphodiesterase 8B that is encoded in the genome of human. [PRO:DNx, UniProtKB:O95263]Homo sapiens (human)
cAMP-specific 3',5'-cyclic phosphodiesterase 4CA 3,5-cyclic-AMP phosphodiesterase 4C that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q08493]Homo sapiens (human)
cGMP-inhibited 3',5'-cyclic phosphodiesterase AA cGMP-inhibited 3,5-cyclic phosphodiesterase 3A that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q14432]Homo sapiens (human)
Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1CA dual specificity calcium/calmodulin-dependent 3,5-cyclic nucleotide phosphodiesterase 1C that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q14123]Homo sapiens (human)
Retinal cone rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit gammaA retinal cone rhodopsin-sensitive cGMP 3,5-cyclic phosphodiesterase subunit gamma that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q13956]Homo sapiens (human)
Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1BA dual specificity calcium/calmodulin-dependent 3,5-cyclic nucleotide phosphodiesterase 1B that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q01064]Homo sapiens (human)
Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit gammaA retinal rod rhodopsin-sensitive cGMP 3,5-cyclic phosphodiesterase subunit gamma that is encoded in the genome of human. [PRO:DNx, UniProtKB:P18545]Homo sapiens (human)
High affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9AA high affinity cGMP-specific 3,5-cyclic phosphodiesterase 9A that is encoded in the genome of human. [PRO:DNx, UniProtKB:O76083]Homo sapiens (human)
cGMP-specific 3',5'-cyclic phosphodiesteraseA cGMP-specific 3,5-cyclic phosphodiesterase that is encoded in the genome of human. [PRO:DNx, UniProtKB:O76074]Homo sapiens (human)
High affinity cAMP-specific and IBMX-insensitive 3',5'-cyclic phosphodiesterase 8AA high affinity cAMP-specific and IBMX-insensitive 3,5-cyclic phosphodiesterase 8A that is encoded in the genome of human. [PRO:DNx, UniProtKB:O60658]Homo sapiens (human)
cGMP-dependent 3',5'-cyclic phosphodiesteraseA cGMP-dependent 3,5-cyclic phosphodiesterase that is encoded in the genome of human. [PRO:DNx, UniProtKB:O00408]Homo sapiens (human)

Compounds (201)

CompoundDefinitionClassesRoles
putrescinealkane-alpha,omega-diamineantioxidant;
fundamental metabolite
spermidinepolyazaalkane;
triamine
autophagy inducer;
fundamental metabolite;
geroprotector
sperminepolyazaalkane;
tetramine
antioxidant;
fundamental metabolite;
immunosuppressive agent
my 5445MY 5445: potential platelet aggregation inhibitorpyridazines;
ring assembly
theophyllinedimethylxanthineadenosine 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
caffeinepurine alkaloid;
trimethylxanthine
adenosine A2A receptor antagonist;
adenosine receptor antagonist;
adjuvant;
central nervous system stimulant;
diuretic;
EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
environmental contaminant;
food additive;
fungal metabolite;
geroprotector;
human blood serum metabolite;
mouse metabolite;
mutagen;
plant metabolite;
psychotropic drug;
ryanodine receptor agonist;
xenobiotic
celecoxiborganofluorine compound;
pyrazoles;
sulfonamide;
toluenes
cyclooxygenase 2 inhibitor;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug
cilostamidecilostamide: selective inhibitor of cyclic AMP phosphodiesterase & platelet aggregation; structurequinolines
cilostazollactam;
tetrazoles
anticoagulant;
bronchodilator agent;
EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor;
fibrin modulating drug;
neuroprotective agent;
platelet aggregation inhibitor;
vasodilator agent
cimetidinecimetidine : A member of the class of guanidines that consists of guanidine carrying a methyl substituent at position 1, a cyano group at position 2 and a 2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl}ethyl group at position 3. It is a H2-receptor antagonist that inhibits the production of acid in stomach.

Cimetidine: A histamine congener, it competitively inhibits HISTAMINE binding to HISTAMINE H2 RECEPTORS. Cimetidine has a range of pharmacological actions. It inhibits GASTRIC ACID secretion, as well as PEPSIN and GASTRIN output.
aliphatic sulfide;
guanidines;
imidazoles;
nitrile
adjuvant;
analgesic;
anti-ulcer drug;
H2-receptor antagonist;
P450 inhibitor
5,7-dimethoxycoumarin5,7-dimethoxycoumarin: has photobiological activitycoumarins
clioquinol5-chloro-7-iodoquinolin-8-ol : A monohydroxyquinoline that is quinolin-8-ol in which the hydrogens at positions 5 and 7 are replaced by chlorine and iodine, respectively. It has antibacterial and atifungal properties, and is used in creams for the treatment of skin infections. It has also been investigated as a chelator of copper and zinc ions for the possible treatment of Alzheimer's disease.

Clioquinol: A potentially neurotoxic 8-hydroxyquinoline derivative long used as a topical anti-infective, intestinal antiamebic, and vaginal trichomonacide. The oral preparation has been shown to cause subacute myelo-optic neuropathy and has been banned worldwide.
monohydroxyquinoline;
organochlorine compound;
organoiodine compound
antibacterial agent;
antifungal agent;
antimicrobial agent;
antineoplastic agent;
antiprotozoal drug;
chelator;
copper chelator
denbufyllinedenbufylline: structure given in first sourceoxopurine
dipyridamoledipyridamole : A pyrimidopyrimidine that is 2,2',2'',2'''-(pyrimido[5,4-d]pyrimidine-2,6-diyldinitrilo)tetraethanol substituted by piperidin-1-yl groups at positions 4 and 8 respectively. A vasodilator agent, it inhibits the formation of blood clots.

Dipyridamole: A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells. Dipyridamole also potentiates the antiaggregating action of prostacyclin. (From AMA Drug Evaluations Annual, 1994, p752)
piperidines;
pyrimidopyrimidine;
tertiary amino compound;
tetrol
adenosine phosphodiesterase inhibitor;
EC 3.5.4.4 (adenosine deaminase) inhibitor;
platelet aggregation inhibitor;
vasodilator agent
donepezil2-[(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.

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.

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.
aromatic ether;
indanones;
piperidines;
racemate
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
nootropic agent
9-(2-hydroxy-3-nonyl)adenine9-(2-hydroxy-3-nonyl)adenine: specific inhibitor of adenosine deaminase
etazolateetazolate : A pyrazolopyridine that is 1H-pyrazolo[3,4-b]pyridine which is substituted at positions 1, 4, and 5 by ethyl, 2-isopropylidenehydrazino, and ethoxycarbonyl groups, respectively. A phosphodiesterase IV inhibitor with antidepressant and anxiolytic properties.

Etazolate: A potent phosphodiesterase inhibitor proposed as an antipsychotic agent.
ethyl ester;
hydrazone;
pyrazolopyridine
alpha-secretase activator;
antidepressant;
antipsychotic agent;
anxiolytic drug;
GABA agent;
neuroprotective agent;
phosphodiesterase IV inhibitor
fluoxetinefluoxetine : A racemate comprising equimolar amounts of (R)- and (S)-fluoxetine. A selective serotonin reuptake inhibitor (SSRI), it is used (generally as the hydrochloride salt) for the treatment of depression (and the depressive phase of bipolar disorder), bullimia nervosa, and obsessive-compulsive disorder.

Fluoxetine: The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants.

N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]propan-1-amine : An aromatic ether consisting of 4-trifluoromethylphenol in which the hydrogen of the phenolic hydroxy group is replaced by a 3-(methylamino)-1-phenylpropyl group.
(trifluoromethyl)benzenes;
aromatic ether;
secondary amino compound
ibudilastpyrazolopyridine
amrinoneamrinone : A 3,4'-bipyridine substituted at positions 5 and 6 by an amino group and a keto function respectively. A pyridine phosphodiesterase 3 inhibitor, it is a drug that may improve the prognosis in patients with congestive heart failure.

Amrinone: A positive inotropic cardiotonic (CARDIOTONIC AGENTS) with vasodilator properties, phosphodiesterase 3 inhibitory activity, and the ability to stimulate calcium ion influx into the cardiac cell.
bipyridinesEC 3.1.4.* (phosphoric diester hydrolase) inhibitor
1-methyl-3-isobutylxanthine1-Methyl-3-isobutylxanthine: A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES

3-isobutyl-1-methylxanthine : An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively.
3-isobutyl-1-methylxanthine
losartanlosartan : A biphenylyltetrazole where a 1,1'-biphenyl group is attached at the 5-position and has an additional trisubstituted imidazol-1-ylmethyl group at the 4'-position

Losartan: An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.
biphenylyltetrazole;
imidazoles
angiotensin receptor antagonist;
anti-arrhythmia drug;
antihypertensive agent;
endothelin receptor antagonist
2-(4-morpholinyl)-8-phenyl-4h-1-benzopyran-4-one2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one: specific inhibitor of phosphatidylinositol 3-kinase; structure in first sourcechromones;
morpholines;
organochlorine compound
autophagy inhibitor;
EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor;
geroprotector
milrinonebipyridines;
nitrile;
pyridone
cardiotonic drug;
EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor;
platelet aggregation inhibitor;
vasodilator agent
nifedipineNifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure.C-nitro compound;
dihydropyridine;
methyl ester
calcium channel blocker;
human metabolite;
tocolytic agent;
vasodilator agent
nimodipinenimodipine : A dihydropyridine that is 1,4-dihydropyridine which is substituted by methyl groups at positions 2 and 6, a (2-methoxyethoxy)carbonyl group at position 3, a m-nitrophenyl group at position 4, and an isopropoxycarbonyl group at position 5. An L-type calcium channel blocker, it acts particularly on cerebral circulation, and is used both orally and intravenously for the prevention and treatment of subarachnoid hemorrhage from ruptured intracranial aneurysm.

Nimodipine: A calcium channel blockader with preferential cerebrovascular activity. It has marked cerebrovascular dilating effects and lowers blood pressure.
2-methoxyethyl ester;
C-nitro compound;
dicarboxylic acids and O-substituted derivatives;
diester;
dihydropyridine;
isopropyl ester
antihypertensive agent;
calcium channel blocker;
cardiovascular drug;
vasodilator agent
nitrendipinenitrendipine : A dihydropyridine that is 1,4-dihydropyridine substituted by methyl groups at positions 2 and 6, a 3-nitrophenyl group at position 4, a ethoxycarbonyl group at position 3 and a methoxycarbonyl group at position 5. It is a calcium-channel blocker used in the treatment of hypertension.

Nitrendipine: A calcium channel blocker with marked vasodilator action. It is an effective antihypertensive agent and differs from other calcium channel blockers in that it does not reduce glomerular filtration rate and is mildly natriuretic, rather than sodium retentive.
C-nitro compound;
dicarboxylic acids and O-substituted derivatives;
diester;
dihydropyridine;
ethyl ester;
methyl ester
antihypertensive agent;
calcium channel blocker;
geroprotector;
vasodilator agent
omeprazole5-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl}-1H-benzimidazole : A member of the class of benzimidazoles that is 1H-benzimidazole which is substituted by a [4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl group at position 2 and a methoxy group at position 5.

omeprazole : A racemate comprising equimolar amounts of (R)- and (S)-omeprazole.

Omeprazole: A 4-methoxy-3,5-dimethylpyridyl, 5-methoxybenzimidazole derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits an H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS.
aromatic ether;
benzimidazoles;
pyridines;
sulfoxide
papaverinepapaverine : A benzylisoquinoline alkaloid that is isoquinoline substituted by methoxy groups at positions 6 and 7 and a 3,4-dimethoxybenzyl group at position 1. It has been isolated from Papaver somniferum.

Papaverine: An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.
benzylisoquinoline alkaloid;
dimethoxybenzene;
isoquinolines
antispasmodic drug;
vasodilator agent
pentoxifyllineoxopurine
proxyphyllineoxopurine
pyrimethamineMaloprim: contains above 2 cpdsaminopyrimidine;
monochlorobenzenes
antimalarial;
antiprotozoal drug;
EC 1.5.1.3 (dihydrofolate reductase) inhibitor
4-(3-butoxy-4-methoxybenzyl)-2-imidazolidinone4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone: Inhibitor of phosphodiesterases.methoxybenzenes
roliprampyrrolidin-2-onesantidepressant;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor
streptonigrinpyridines;
quinolone
antimicrobial agent;
antineoplastic agent
sulmazolesulmazole : An imidazopyridine that is 1H-imidazo[4,5-b]pyridine which is substituted at position 2 by a 2-methoxy-4-(methylsulfinyl)phenyl group. An A1 adenosine receptor antagonist, it was formerly used as a cardiotonic agent.

sulmazole: structure given in first source
imidazopyridine;
sulfoxide
adenosine A1 receptor antagonist;
cardiotonic drug;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor
thalidomide2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione : A dicarboximide that is isoindole-1,3(2H)-dione in which the hydrogen attached to the nitrogen is substituted by a 2,6-dioxopiperidin-3-yl group.

thalidomide : A racemate comprising equimolar amounts of R- and S-thalidomide.

Thalidomide: A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the market due to teratogenic effects. It has been reintroduced and used for a number of immunological and inflammatory disorders. Thalidomide displays immunosuppressive and anti-angiogenic activity. It inhibits release of TUMOR NECROSIS FACTOR-ALPHA from monocytes, and modulates other cytokine action.
phthalimides;
piperidones
tofisopamtofisopam: structure; dextofisopam is the R-enantiomer of tofisopam & antidiarrhealorganic molecular entity
trequinsintrequinsin: RN given refers to parent cpd; structure given in first sourcepyridopyrimidine
vesnarinoneorganic molecular entity
3-(5'-hydroxymethyl-2'-furyl)-1-benzylindazole3-(5'-hydroxymethyl-2'-furyl)-1-benzylindazole: antineoplastic; activates platelet guanylate cyclase; a radiosensitizing agent and guanylate cyclase activator; structure in first source

lificiguat : A member of the class of indazoles that is 1H-indazole which is substituted by a benzyl group at position 1 and a 5-(hydroxymethyl)-2-furyl group at position 3. It is an activator of soluble guanylate cyclase and inhibits platelet aggregation.
aromatic primary alcohol;
furans;
indazoles
antineoplastic agent;
apoptosis inducer;
platelet aggregation inhibitor;
soluble guanylate cyclase activator;
vasodilator agent
zardaverinezardaverine : A pyridazinone derivative in which pyridazin-3(2H)-one is substituted at C-6 with a 4-(difluoromethoxy)-3-methoxyphenyl group. It is a phosphodiesterase inhibitor, selective for PDE3 and 4.

zardaverine: structure given in first source
organofluorine compound;
pyridazinone
anti-asthmatic drug;
bronchodilator agent;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
peripheral nervous system drug
papaverine hydrochloride
1-hydroxyphthalazine1-hydroxyphthalazine: RN given refers to cpd with unspecified locants; do not confuse with cpd phthalazinol RN: 56611-65-5phthalazines
cinchophencinchophen: was heading 1963-94; ACIPHENOCHINOLIUM was see CHINOPHEN 1978-94; use QUINOLINES to search CINCHOPHEN 1966-94quinolines
2-chloroadenosine5-chloroformycin A: structure given in first sourcepurine nucleoside
cycloguanilcycloguanil : A triazine in which a 1,6-dihydro-1,3,5-triazine ring is substituted at N-1 by a 4-chlorophenyl group, at C-2 and -4 by amino groups and at C-6 by gem-dimethyl groups. A dihydrofolate reductase inhibitor, it is a metabolite of the antimalarial drug proguanil.

cycloguanil: the active metabolite of proguanil; antifolate drug; structure in first source
triazinesantifolate;
antiinfective agent;
antimalarial;
antiparasitic agent;
antiprotozoal drug;
EC 1.5.1.3 (dihydrofolate reductase) inhibitor
oxycinchophenquinolines
alpha-naphthoflavonealpha-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the h side of flavone. A synthetic compound, it is an inhibitor of aromatase (EC 1.14.14.14).

alpha-naphthoflavone: inhibits P4501A1 and P4501A2; stimulates some activities of P4503A4
extended flavonoid;
naphtho-gamma-pyrone;
organic heterotricyclic compound
aryl hydrocarbon receptor agonist;
aryl hydrocarbon receptor antagonist;
EC 1.14.14.14 (aromatase) inhibitor
5-nitroquinoline
2-amino-4,6-dimethyl pyrimidine2-amino-4,6-dimethyl pyrimidine: structure in first sourceaminopyrimidine
9-benzyladenine
cladribineorganochlorine compound;
purine 2'-deoxyribonucleoside
antineoplastic agent;
immunosuppressive agent
5-nitroindazole
8-bromo cyclic adenosine monophosphate8-Br-cAMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic AMP bearing an additional bromo substituent at position 8 on the adenine ring. An activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase.

8-Bromo Cyclic Adenosine Monophosphate: A long-acting derivative of cyclic AMP. It is an activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase.
3',5'-cyclic purine nucleotide;
adenyl ribonucleotide;
organobromine compound
antidepressant;
protein kinase agonist
cartazolatecartazolate: structure
eg 626phthalazinol: RN given refers to parent cpd; do not confuse with phthalazinol: 62054-23-3; thromboxane A2 antagonistphthalazines
enoximoneEnoximone: A selective phosphodiesterase inhibitor with vasodilating and positive inotropic activity that does not cause changes in myocardial oxygen consumption. It is used in patients with CONGESTIVE HEART FAILURE.aromatic ketone
piroximonepiroximone: structure in first source
2-(2-methoxy-4-(methylsulfinyl)phenyl)-1h-imidazo(4,5-c)pyridine2-(2-methoxy-4-(methylsulfinyl)phenyl)-1H-imidazo(4,5-c)pyridine: RN & structure given in first source; RN given refers to parent cpd; closely related to sulmazoleimidazoles
imazodanimazodan: RN & structure given in first source;
ablukast
rutecarpinerutacarpine: from Evodia rutaecarpa; an ingredient in zhuyu hewei zhitong capsulesbeta-carbolines
tolafentrinetolafentrine: a mixed-type phosphodiesterase (PDE) III/IV inhibitor
7-chloro-4-hydroxyquinoline7-chloro-4-hydroxyquinoline: structure given in first source
nitraquazonenitraquazone: structure given in first source
2,5-diphenylfurandiphenylfuran
girisopam
cipamfyllinecipamfylline: a PDE type-4 inhibitoroxopurine
bufrolinbufrolin: inhibits the release of histamine; proposed for treatment of hay fever, asthma and skin allergies; minor descriptor (79-86); on line & INDEX MEDICUS search PHENANTHROLINES (79-86); RN given refers to parent cpd
ethyl 3-amino-1h-pyrazole-4-carboxylateethyl 3-amino-1H-pyrazole-4-carboxylate: structure in first source
8-((4-chlorophenyl)thio)cyclic-3',5'-amp8-((4-chlorophenyl)thio)cyclic-3',5'-AMP: lowers cAMP in heart & fat cells; cAMP-dependent kinase inhibitor

8-(4-chlorophenylthio)-cAMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic AMP in which the hydrogen at position 2 on the purine fragment is replaced by a 4-chlorophenylthio group.
3',5'-cyclic purine nucleotide;
adenyl ribonucleotide;
aryl sulfide;
organochlorine compound
protein kinase agonist
8-thio-benzyl cyclic amp8-thio-benzyl cyclic AMP: RN given refers to parent cpd
8-chloro-cyclic adenosine monophosphate
denitro-kt-1denitro-KT-1: structure given in first source; analog of KT-1 with nitro group replaced by hydroxy group
fpl 55712FPL 55712: inhibitor of SRS-A and LTC4 and LTD4 receptorsaromatic ketone
beta-carboline-3-carboxylic acid ethyl esterbeta-carboline-3-carboxylic acid ethyl ester: isolated from brain tissue & urine; extremely potent displacer of diazepam from brain benzodiazepam receptors; structure in first sourcebeta-carbolines
tadalafilbenzodioxoles;
pyrazinopyridoindole
EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor;
vasodilator agent
clofarabineadenosines;
organofluorine compound
antimetabolite;
antineoplastic agent
4-phenylpyrrolidone-2
6-bromo-8-methylaminoimidazo(1,2-a)pyrazine-2-carbonitrile6-bromo-8-methylaminoimidazo(1,2-a)pyrazine-2-carbonitrile: a smooth muscle relaxant that opens potassium channels
cdp 840
y 590
7-benzylamino-6-chloro-2-piperazino-4-pyrrolidinopteridine7-benzylamino-6-chloro-2-piperazino-4-pyrrolidinopteridine: inibits growth of B16 melanoma & MCF-7 mammary carcinoma cells
9-(2-hydroxy-3-nonyl)adenine(2R,3S)-EHNA : EHNA of absolute configuration 2R,3S. Selective inhibitor of cGMP-stimulated phosphodiesterase (PDE2) (IC50 = 0.8 - 4 mM). Also a potent inhibitor of adenosine deaminase.EHNAEC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
EC 3.5.4.4 (adenosine deaminase) inhibitor
9-(2-hydroxy-3-nonyl)adenine(2S,3R)-EHNA : EHNA of absolute configuration 2S,3R.EHNA
cilomilastmethoxybenzenes
evodiaminebeta-carbolines
rp 73401piclamilast : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of 3-(cyclopentyloxy)-4-methoxybenzoic acid with the primary amino group of 3,5-dichloropyridin-4-amine.

piclamilast: an antiasthmatic agent and phosphodiesterase 4 inhibitor; structure in first source
aromatic ether;
benzamides;
chloropyridine;
monocarboxylic acid amide
anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
phosphodiesterase IV inhibitor
moracin cbenzofurans
8-methoxymethyl-3-isobutyl-1-methylxanthine8-methoxymethyl-3-isobutyl-1-methylxanthine: inhibitor of phosphodiesterase Ioxopurine
ly 311727LY 311727: a potent & selective inhibitor of human non-pancreatic secretory phospholipase A2; structure given in first source
(+)-rolipram(+)-rolipram : The (S)-enantiomer of rolipram.rolipram
perlolyrineperlolyrine: structure given in first sourceorganic molecular entitymetabolite
n(6)-benzyl-cyclic adenosine 5'-monophosphate
sb 203580imidazoles;
monofluorobenzenes;
pyridines;
sulfoxide
EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor;
EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor;
geroprotector;
Hsp90 inhibitor;
neuroprotective agent
betulinan abetulinan A: a lipid peroxidation inhibitor; from Lenzites betulina; structure given in first source
sibenadetsibenadet: structure in first source
moracin mmoracin M: has been isolated from Morus alba L.; structure in first sourcebenzofurans
elarofibanelarofiban: a GPIIb and GPIIIa receptor antagonist; structure in first source
mesembrenonemesembrenone: a psychoactive compound isolated from Sceletium tortuosum; structure in first sourcepyrrolidines
2-amino-4-methyl-3-nitropyridine
vinpocetinevinpocetine: whole issue of Arzneim Forsch (23 articles) discuss this drug; Arzneim Forsch 26(10a);1976; RN given refers to parent cpd with unspecified isomeric designationalkaloidgeroprotector
resveratroltrans-resveratrol : A resveratrol in which the double bond has E configuration.resveratrolantioxidant;
phytoalexin;
plant metabolite;
quorum sensing inhibitor;
radical scavenger
cocainecocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca.

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.
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
rolipram(-)-rolipram : The (R)-enantiomer of rolipram.rolipram
mesoprammesopram: a potent & selective type IV phosphodiesterase inhibitor
roflumilastaromatic ether;
benzamides;
chloropyridine;
cyclopropanes;
organofluorine compound
anti-asthmatic drug;
phosphodiesterase IV inhibitor
8-isopentenylnaringenin8-isopentenylnaringenin: a non-steroidal phytoestrogen from Anaxagorea luzonensis; structure in first sourceflavanones
cyclic nucleotide phosphodiesterases, type 4
hc 0300312-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)-N-(4-isopropylphenyl)acetamide: a TRPA1 channel blocker
eggmanoneeggmanone: a phosphodiesterase-4 inhibitor; structure in first source
3-(n,n-dimethylsulfonamido)-4-methyl-nitrobenzeneBRL-50481 : A C-nitro compound that is benzene substituted by N,N-dimethylaminosulfonyl, methyl and nitro groups at positions 1, 2 and 5, respectively. It is a phosphodiesterase inhibitor selective for the PDE7 subtype (Ki = 180 nM).C-nitro compound;
sulfonamide;
toluenes
bone density conservation agent;
EC 3.1.4.53 (3',5'-cyclic-AMP phosphodiesterase) inhibitor;
geroprotector
4,5-dihydro-6-(4-(imidazol-1-yl)phenyl)-5-methyl-3(2h)-pyridazinone4,5-dihydro-6-(4-(imidazol-1-yl)phenyl)-5-methyl-3(2H)-pyridazinone: RN & structure given in first source
tetomilast
idoxifeneidoxifene: structure given in first sourcestilbenoid
mangostinalpha-mangostin : A member of the class of xanthones that is 9H-xanthene substituted by hydroxy group at positions 1, 3 and 6, a methoxy group at position 7, an oxo group at position 9 and prenyl groups at positions 2 and 8. Isolated from the stems of Cratoxylum cochinchinense, it exhibits antioxidant, antimicrobial and antitumour activities.

mangostin: xanthone from rind of Garcinia mangostana Linn. fruit
aromatic ether;
phenols;
xanthones
antimicrobial agent;
antineoplastic agent;
antioxidant;
plant metabolite
morusinmorusin : An extended flavonoid that is flavone substituted by hydroxy groups at positions 5, 2' and 4', a prenyl group at position 3 and a 2,2-dimethyl pyran group across positions 7 and 8.

morusin: from Morus root bark; structure given in first source
extended flavonoid;
trihydroxyflavone
antineoplastic agent;
plant metabolite
pterostilbenediether;
methoxybenzenes;
stilbenol
anti-inflammatory agent;
antineoplastic agent;
antioxidant;
apoptosis inducer;
hypoglycemic agent;
neuroprotective agent;
neurotransmitter;
plant metabolite;
radical scavenger
indolidanindolidan: structure given in first source
icaritinicaritin: structure in first source
icariinflavonols;
glycosyloxyflavone
antioxidant;
bone density conservation agent;
EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor;
phytoestrogen
cudraflavone ccudraflavone C : A tetrahydroxyflavone that is flavone substituted by hydroxy groups at positions 5, 7, 2' and 4' and prenyl groups at positions 3 and 6. Isolated from Morus nigra, it exhibits antibacterial and cytotoxic activities.

cudraflavone C: a tyrosinase inhibitor with antimicrobial activity; isolated from Artocarpus integer; structure in first source
tetrahydroxyflavoneantibacterial agent;
antineoplastic agent;
plant metabolite
fosbretabulinstilbenoid
bemoradanbemoradan: RN & structure given in first source
3,4',5-trimethoxystilbene3,4',5-trimethoxystilbene: structure in first source
1,3-dihydro-7,8-dimethyl-2h-imidazo(4,5-b)quinolin-2-one1,3-dihydro-7,8-dimethyl-2H-imidazo(4,5-b)quinolin-2-one: structure given in first source
baohuoside ibaohuoside I: structure given in first source; isolated from the herb Epimedium davidiiglycosyloxyflavoneanti-inflammatory agent;
antineoplastic agent;
apoptosis inducer;
plant metabolite
9-Hydroxycalabaxanthonexanthones
N-(1,3-benzodioxol-5-ylmethyl)-6-chloro-4-quinazolinaminequinazolines
sch 351591SCH 351591: a phosphodiesterase 4 inhibitor; structure in first source

SCH-351591 : An aromatic amide resulting from the formal condensation of the carboxy group of 8-methoxy-2-(trifluoromethyl)quinoline-5-carboxylic acid with the primary amino group of 3,5-dichloropyridin-4-amine 1-oxide. It is a potent inhibitor of phosphodiesterase IV (PDE4).
l-791943L-791943: an phosphodiesterase iv inhibitor; structure in first source
rs 14203RS 14203: a type IV cyclic nucleotide phosphodiesterase inhibitor; structure in first source
gsk 256066
rs 25344RS 25344: inhibits phosphodiesterase PDE-4D3; structure given in first source
ci 1044CI 1044: inhibits PDE4; structure in first source
l-454,560L-454,560: Phosphodiesterase Inhibitor; structure in first source
avanafilaromatic amide;
monocarboxylic acid amide;
organochlorine compound;
prolinols;
pyrimidines
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
vasodilator agent
t 1032T 1032: a cyclic GMP phosphodiesterase-5 inhibitor; structure in first source
cdp 840CDP 840: RN refers to (R)-isomer; structure given in first source
l-826,141L-826,141: structure in first source
sophoflavescenolsophoflavescenol: a prenylated flavonol from the roots of Sophora flavescens; structure in first source
4-n-butyl-1-(4-(2-methylphenyl)-4-oxo-1-butyl)-piperidine hydrogen chloride
8-(methylthio)cyclic 3',5'-adenosine monophosphate8-(methylthio)cyclic 3',5'-adenosine monophosphate: structure
licoflavone clicoflavone C: Antimutagenic Agent; a naturally occurring prenyl-flavone extracted from Genista ephedroides; structure in first source
oglemilastoglemilast: a PDE4 inhibitor and NSAID; no further info available 1/2006
apremilastaromatic ether;
N-acetylarylamine;
phthalimides;
sulfone
non-steroidal anti-inflammatory drug;
phosphodiesterase IV inhibitor
pf-2545920
f-amidineF-amidine: structure in first sourceN-acylglycine
losartan potassiumErythropoietin: Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation.
(2R,3S)-EHNA hydrochloride(2R,3S)-EHNA hydrochloride : A hydrochloride salt obtained by reaction of (2R,3S)-EHNA with one equivalent of hydrochloric acid. Selective inhibitor of cGMP-stimulated phosphodiesterase (PDE2) (IC50 = 0.8 - 4 mM). Also a potent inhibitor of adenosine deaminase.hydrochlorideEC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
EC 3.5.4.4 (adenosine deaminase) inhibitor
8-benzylthio-n(6)-n-butyladenosine cyclic-3,5'-monophosphate8-benzylthio-N(6)-n-butyladenosine cyclic-3,5'-monophosphate: may be useful as myocardial stimulant; structure given in first source
lyonisidelyoniside: see also eleutherosides & syringin for eleutheroside B: 118-34-3; RN given refers to (3beta)-isomer
sch 51866SCH 51866: structure given in first source
tanninsgallotannin : A class of hydrolysable tannins obtained by condensation of the carboxy group of gallic acid (and its polymeric derivatives) with the hydroxy groups of a monosaccharide (most commonly glucose).tannin
pf 04217903quinolines
3-(2,5-dimethoxyphenyl)-6-(3,4-dimethoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
n-alpha-benzoyl-n5-(2-chloro-1-iminoethyl)-l-ornithine amidebenzenes
pf-044189481-(4-fluorobenzoyl)-3-(((6-methoxy-2-naphthyl)oxy)methyl)azetidine-3-carboxylic acid: structure in first source
azd7687AZD7687: structure in first source
6-(3-cyclopentyloxy-4-methoxyphenyl)-3-(2-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
3-(2-chlorophenyl)-6-(3-cyclopentyloxy-4-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
6-(3-cyclopentyloxy-4-methoxyphenyl)-3-(2,5-dimethoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
6-[3-(cyclopropylmethoxy)-4-methoxyphenyl]-3-(2-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
3-(2-chlorophenyl)-6-[3-(cyclopropylmethoxy)-4-methoxyphenyl]-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
6-[3-(cyclopropylmethoxy)-4-methoxyphenyl]-3-(2,5-dimethoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
6-[3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-3-(2-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
3-(2-chlorophenyl)-6-[3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
6-[3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-3-(2-fluorophenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
6-[3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-3-(2,5-dimethoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
6-[4-methoxy-3-(3-oxolanyloxy)phenyl]-3-(2-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
3-(2-chlorophenyl)-6-[4-methoxy-3-(3-oxolanyloxy)phenyl]-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
3-(2-fluorophenyl)-6-[4-methoxy-3-(3-oxolanyloxy)phenyl]-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
6-[4-methoxy-3-(3-oxolanyloxy)phenyl]-3-[2-(trifluoromethyl)phenyl]-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
3-(2,5-dimethoxyphenyl)-6-[4-methoxy-3-(3-oxolanyloxy)phenyl]-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazinetriazoles
nitd 609NITD 609: an antimalarial and coccidiostat; structure in first source
an2728crisaborole : A member of the class of benzoxaboroles that is 5-hydroxy-1,3-dihydro-2,1-benzoxaborole in which the phenolic hydrogen has been replaced by a 4-cyanophenyl group. A phosphodiesterase 4 inhibitor that is used for treatment of mild to moderate atopic dermatitis in children and adults.

crisaborole: NSAID, Dermatologic Agent; structure in first source
aromatic ether;
benzoxaborole;
nitrile
antipsoriatic;
non-steroidal anti-inflammatory drug;
phosphodiesterase IV inhibitor
bms-911543N,N-dicyclopropyl-4-((1,5-dimethyl-1H-pyrazol-3-yl)amino)-6-ethyl-1-methyl-1,6-dihydroimidazo(4,5-d)pyrrolo(2,3b)pyridine-7-carboxamide: has antineoplastic activity; structure in first source
gsk1210151aGSK1210151A: inhibitor of the BET family of proteins; structure in first sourceimidazoquinoline
chlortetracyclinechlortetracycline : A member of the class of tetracyclines with formula C22H23ClN2O8 isolated from Streptomyces aureofaciens.

Chlortetracycline: A TETRACYCLINE with a 7-chloro substitution.
d159687
cc-1151-ethyl-7-(2-methyl-6-(1H-1,2,4-triazol-3-yl)pyridin-3-yl)-3,4-dihydropyrazino(2,3-b)pyrazin-2(1H)-one: an mTOR kinase inhibitor; structure in first source
chf6001tanimilast: a phosphodiesterase-4 inhibitor; structure in first source
cyclic gmp3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine.

Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed)
3',5'-cyclic purine nucleotide;
guanyl ribonucleotide
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite
sildenafilsildenafil : A pyrazolo[4,3-d]pyrimidin-7-one having a methyl substituent at the 1-position, a propyl substituent at the 3-position and a 2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl group at the 5-position.piperazines;
pyrazolopyrimidine;
sulfonamide
EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor;
vasodilator agent
zaprinastzaprinast: anaphylaxis inhibitor; structuretriazolopyrimidines
vardenafilvardenafil : The sulfonamide resulting from formal condensation of the sulfo group of 4-ethoxy-3-(5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one-2-yl)benzenesulfonic acid and the secondary amino group of 4-ethylpiperazine.imidazotriazine;
N-alkylpiperazine;
N-sulfonylpiperazine
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
vasodilator agent
2-methyl-4(3h)-quinazolinone2-methyl-4(3H)-quinazolinone: from Bacillus cereus; structure given in first source
Imidazosagatriazinonepyrazolopyrimidine
4-hydroxyquinazoline4-oxo-3,4-dihydroquinazoline: structure in first sourcequinazolines
bl 4162aanagrelide : A 1,5-dihydroimidazo[2,1-]quinazoline having an oxo substituent at the 2-position and chloro substituents at the 6- and 7-positions.

anagrelide: imidazoquinazoline derivative which lowers platelet count probably by inhibiting thrombopoiesis and reduces platelet aggregation; used for thrombocythemia; structure in first source
imidazoquinazolineanticoagulant;
antifibrinolytic drug;
cardiovascular drug;
platelet aggregation inhibitor
1,5-dihydro-7-(1-piperidinyl)-imidazo(2,1-b)quinazolin-2(3h)-one1,5-dihydro-7-(1-piperidinyl)-imidazo(2,1-b)quinazolin-2(3H)-one: a potent inhibitor of platelet aggregation
pelrinonepelrinone: structure given in first source
sildenafil citratesildenafil citrate : The citrate salt of sildenafil.

Sildenafil Citrate: A PHOSPHODIESTERASE TYPE-5 INHIBITOR; VASODILATOR AGENT and UROLOGICAL AGENT that is used in the treatment of ERECTILE DYSFUNCTION and PRIMARY PULMONARY HYPERTENSION.
citrate saltEC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor;
vasodilator agent
da 8159udenafil: a pyrazolo-pyrimidinone similar to sildenafil; phosphodiesterase type 5 inhibitor;sulfonamide
quazinone
lixazinonelixazinone: structure given in first source
sk&f 962312-(2-propoxyphenyl)-6-purinone: selective phosphodiesterase II inhibitor
bay 73-6691BAY 73-6691: potent and selective inhibitor of phosphodiesterase 9; structure in first source
6-((3s,4s)-4-methyl-1-(pyrimidin-2-ylmethyl)pyrrolidin-3-yl)-1-(tetrahydro-2h-pyran-4-yl)-1,5-dihydro-4h-pyrazolo(3,4-d)pyrimidin-4-one
bay 60-7550