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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
azaarene +     
hydrazines +     
phthalazines +     
(+)-(12E,2S,3S,4R,5R,6R,9S,11S,15R)-3-benzoyloxy-5,6-epoxylathyr-12-en-15-ol-14-one 
(+-)-menthol 
(-)-(12E,2S,3S,4R,5R,6R,9S,11S,15R)-3-acetoxy-15-benzoyloxy-5,6-epoxylathyr-12-en-14-one 
(-)-(5E,12E,2S,3S,4S,9S,11S,15R)-15-benzoyloxylathyra-5,12-dien-3-ol-14-one 
(-)-(6Z,12E,2S,3S,4R,5R,9S,11S,15R)-3-acetoxy-15-benzoyloxylathyra-6,12-dien-5-ol-14-one 
(-)-(6Z,12E,2S,3S,4R,5R,9S,11S,15R)-5-acetoxy-15-benzoyloxylathyra-6,12-dien-3-ol-14-one 
(2R,3S,2'R)-nadolol +   
(4-oxo-3-\{[5-(trifluoromethyl)-1,3-benzothiazol-2-yl]methyl\}-3,4-dihydrophthalazin-1-yl)acetic acid  
(E)-cinnamaldehyde +   
(R)-6-(4-(4-benzyl-7-chlorophthalazin-1-yl)-2-methylpiperazin-1-yl)nicotinonitrile 
(R)-adrenaline +   
(S)-timolol (anhydrous) +   
(S)-timolol hemihydrate 
(S)-timolol maleate 
1,1-dimethylhydrazine 
1,2-Diethylhydrazine 
1,2-dimethylhydrazine  
1,3-dinitroglycerol +  
1-(1-piperidinyl)-2-[[4-(prop-2-enylamino)-1-phthalazinyl]thio]ethanone 
1-(2,5-dimethyl-1-prop-2-enyl-3-pyrrolyl)-2-(1-phthalazinyloxy)ethanone 
15beta-O-benzoyl-5alpha-hydroxyisolathyrol 
2-(1,3-benzothiazol-2-yl)-3-(1,4-dioxo-1,2,3,4-tetrahydrophthalazin-6-yl)-5-[(E)-2-phenylethenyl]-2H-tetrazol-3-ium 
2-(1,4-dioxo-3H-phthalazin-2-yl)-N-(5-methyl-4-phenyl-2-thiazolyl)acetamide 
2-(4-chlorophenyl)-1-phthalazinone 
2-(4-methyl-1-oxo-2-phthalazinyl)-N-(4-methylphenyl)acetamide 
2-[3-[(4-bromo-2-fluorophenyl)methyl]-4-oxo-1-phthalazinyl]acetic acid 
2-[[4-(2-chlorophenyl)-5-sulfanylidene-1H-1,2,4-triazol-3-yl]methyl]-1-phthalazinone 
2-hydrazinoethanol 
2-hydroxyoleic acid 
2-O-acetyl-1-O-hexadecyl-sn-glycero-3-phosphocholine 
2-O-acetyl-1-O-octadecyl-sn-glycero-3-phosphocholine 
3-(1-phthalazinylhydrazo)-2-indolone 
3-(4-nitrophenyl)-2H-phthalazine-1,4-dione 
3-ethyl-4-oxo-1-phthalazinecarboxylic acid [2-(1H-indol-3-yl)-2-oxoethyl] ester 
3-ethyl-4-oxo-1-phthalazinecarboxylic acid [2-[2-(2,4-dioxo-3-thiazolidinyl)ethylamino]-2-oxoethyl] ester 
3-methyl-4-oxo-1-phthalazinecarboxylic acid [2-(7-ethyl-1H-indol-3-yl)-2-oxoethyl] ester 
3-pyridinemethanol  
4-(6-fluoro-3-methyl-4-oxo-1-benzopyran-2-yl)-2-methyl-1-phthalazinone 
4-[3,4-dihydro-1H-isoquinolin-2-yl(oxo)methyl]-2-methyl-1-phthalazinone 
4-[[4-(1,3-benzodioxol-5-ylmethyl)-1-piperazinyl]-oxomethyl]-2-ethyl-1-phthalazinone 
4-[[4-(benzenesulfonyl)-1-piperazinyl]-oxomethyl]-2-methyl-1-phthalazinone 
4-hydroxychalcone  
4-methyl-2-(2-naphthalenyl)-1-phthalazinone 
4-methyl-2-(8-quinolinyl)-1-phthalazinone 
4-methyl-N-prop-2-enyl-1-phthalazinamine 
4-oxo-3-phenyl-1-phthalazinecarboxylic acid [2-[(1,1-dioxo-3-thiolanyl)amino]-2-oxoethyl] ester 
4-tert-butyl-N-(1,4-dioxo-2,3-dihydrophthalazin-5-yl)benzamide 
4849F 
5beta-dihydrotestosterone 
6-O-galloyl-beta-D-glucose 
7-epiclusianone 
8-(4-aminophenyl)-5-methyl-N-propyl-5H-[1,3]dioxolo[4,5-g]phthalazine-6-carboxamide 
acebutolol  
acebutolol hydrochloride 
acetylcholine +   
ACT-132577 +   
ACT-333679 +  
adenosine +   
ajmalicine  
alfuzosin +   
aliskiren +   
aliskiren fumarate 
alpha-methyl-L-dopa +   
alpha-methyl-L-dopa ethyl ester 
alpha-methyl-L-tyrosine 
alprenolol +   
amlodipine +   
amlodipine benzenesulfonate +  
anandamide +   
angiotensin (1-9) 
angiotensin (1-9) dizwitterion 
Arg-Phe 
atenolol +   
auraptene  
avanafil 
azelastine +   
azilsartan +   
azilsartan kamedoxomil 
azilsartan medoxomil 
bamethan +  
BAY 41-2272 
bendroflumethiazide +   
benzo[g]pteridine 
benzotriazine +   
benzthiazide 
benzyl nicotinate 
bepridil +   
betahistine  
betaxolol +   
betaxolol hydrochloride +  
bethanidine +  
bethanidine sulfate 
bevantolol +   
bevantolol hydrochloride +  
BI00036838 
bimatoprost 
bisoprolol +   
bopindolol  
bosentan +   
bradykinin +  
bretylium +   
bretylium tosylate  
brimonidine +   
bucladesine  
budralazine 
Byvalson 
candesartan  
captopril +   
carbidopa  
carbidopa (anhydrous) +   
carbon dioxide  
carbon monoxide  
carmoxirole  
carmoxirole hydrochloride 
carpronium chloride 
carteolol  
carteolol hydrochloride 
carvedilol  
chlorothiazide 
cilazapril +   
cilazapril monohydrate  
cilnidipine  
cilostazol  
cinaciguat  
cinnoline 
cleistanthin A 
cleistanthin B +  
clonidine +   
clonixin 
clonixin lysine salt 
convallatoxin 
corilagin  
cyclandelate 
cyclothiazide  
debrisoquin +   
devapamil 
diallyl trisulfide  
diazine +   
diazoxide  
dihydralazine  
dihydroergocristine +  
dihydroergocristine mesylate +  
diltiazem  
diltiazem hydrochloride 
diltiazem(1+) +  
dinitrogen oxide  
dipyridamole  
dorzolamide +   
dorzolamide hydrochloride  
dotarizine 
doxazosin +   
droxidopa 
dyphylline +  
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor +   
efonidipine 
eltrombopag  
enalapril +   
enalapril maleate 
enalaprilat (anhydrous) +   
enalaprilat dihydrate  
eplerenone  
eprosartan +  
eprosartan methanesulfonate 
ergoloid mesylate 
erythrityl tetranitrate 
eupatorin  
felodipine  
fenoldopam  
fluprostenol +   
forasartan 
forskolin +   
fosinopril  
fosinopril sodium 
fosinoprilat +   
graminone B 
grayanotoxin I 
guanadrel 
guanadrel sulfate 
guanethidine +   
guanethidine monosulfate +  
guanethidine sulfate 
HU-308  
hydralazine +   
The 1-hydrazino derivative of phthalazine; a direct-acting vasodilator that is used as an antihypertensive agent.
hydralazine hydrochloride 
hydrazine +   
hydrochlorothiazide  
hydroflumethiazide 
hydrogen sulfide +   
Ile(5)-angiotensin II (1-7) 
iloprost  
imidapril +   
imidaprilat  
imidazo[1,2-a]pyrazine +  
indanomycin 
indapamide  
indole +   
irbesartan  
isoamyl nitrite 
isopropyl unoprostone 
isoquinoline +  
isosorbide dinitrate  
isosorbide mononitrate  
JWH-133 
kaempferide +   
ketanserin  
khellin 
labetalol  
latanoprost  
latanoprost free acid +   
levosimendan 
lificiguat 
lisinopril dihydrate  
lofexidine 
losartan +   
macitentan  
methacholine +   
methyl brevifolincarboxylate 
metipranolol  
metipranolol hydrochloride 
metolazone  
metoprolol  
milrinone  
minoxidil  
morin  
morphine +   
N-(1,3-benzodioxol-5-yl)-4-methyl-1-phthalazinamine 
N-(1-phthalazinylamino)carbamic acid ethyl ester 
N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(3-methyl-4-oxo-1-phthalazinyl)acetamide 
N-(2,6-dimethoxyphenyl)-2-(3-methyl-4-oxo-1-phthalazinyl)acetamide 
N-(2-furanylmethyl)-3-(2-methoxyphenyl)-4-oxo-1-phthalazinecarboxamide 
N-(2-oxolanylmethyl)-2-[1-oxo-4-(3-pyridinylmethyl)-2-phthalazinyl]acetamide 
N-arachidonoyl-L-serine 
N-ethyl-5'-carboxamidoadenosine  
n-pentyl nitrite 
nadolol  
naphthyridine +   
nebivolol  
nebivolol hydrochloride +  
nicorandil  
nicotinic acid +   
nifedipine  
nimodipine  
nisoldipine  
nitrendipine  
nitric oxide  
nitroflurbiprofen  
nitroglycerin  
norverapamil  
octamoxin 
olaparib  
oleuropein +   
olmesartan  
oxagrelate 
oxytocin  
palmitoyl ethanolamide  
papaverine  
partial prostacyclin agonist +  
pentaerythritol tetranitrate  
pentolinium tartrate  
perindopril  
perindopril arginine +  
perindopril erbumine 
perindoprilat 
petasin 
phenanthridine +   
phenazine +  
phentolamine  
phenylhydrazines +   
phthalazin-1(2H)-one 
phthalazine  
picodralazine 
pimobendan  
pindolol +   
pinocembrin +   
praliciguat 
pratosartan 
prazosin +   
Prestalia 
procarbazine  
propranolol +   
prostaglandin E1 +   
pteridine 
pyridine +   
quinapril 
quinapril hydrochloride  
quinaprilat  
quinazoline 
quinethazone 
quinoline +   
quinoxaline +   
rescinnamine  
reserpine  
riociguat  
rottlerin  
S-nitroso-L-cysteine +   
S-nitroso-N-acetyl-D-penicillamine  
sch 54445 
selexipag 
sildenafil +   
sildenafil citrate  
sodium nitrite  
sodium nitroprusside +  
sodium nitroprusside dihydrate 
spathulenol  
sphingosine 1-phosphate  
spirapril  
spiraprilat +   
spironolactone  
tadalafil  
talastine 
tegaserod +   
telmisartan  
terazosin +   
tetramethylpyrazine  
tetrazole +  
theobromine  
theophylline +   
tienilic acid  
tolazoline  
torasemide  
trandolapril  
trandolaprilat 
travoprost 
treprostinil +   
triacsin C  
triazine +  
triazines +   
trichlormethiazide  
trimethaphan +   
trimethaphan camsylate 
troglitazone  
unoprostone +  
valsartan +   
vardenafil 
vatalanib +   
verapamil  
vericiguat 
vincamine  
visnagin 
zofenopril 
zofenopril calcium 
zofenoprilat 
zofenoprilat arginine 

Synonyms
Related Synonyms: (1Z)-1(2H)-Phthalazinone hydrazone ;   (2H)-Phthalazinone hydrazone ;   1-Hydrazinophthalazine ;   1-Phthalazinylhydrazine ;   6-Hydralazine ;   Formula=C8H8N4 ;   Hydralazin ;   Hydrallazine ;   Hydrazinophthalazine ;   Hydrazone 1(2H)-phthalazinone ;   Hypophthalin ;   Idralazina ;   InChI=1S/C8H8N4/c9-11-8-7-4-2-1-3-6(7)5-10-12-8/h1-5H,9H2,(H,11,12) ;   InChIKey=RPTUSVTUFVMDQK-UHFFFAOYSA-N ;   SMILES=NNc1nncc2ccccc12 ;   hidralazina ;   hydralazinum ;   phthalazin-1-ylhydrazine
Xrefs: Beilstein:132615 ;   CAS:86-54-4 ;   DrugBank:DB01275 ;   Drug_Central:1384 ;   Gmelin:4337 ;   KEGG:C07040 ;   KEGG:D08044 ;   LINCS:LSM-15370
Xref Mesh: MESH:D006830
Xrefs: PMID:808562 ;   Patent:US2484029 ;   Wikipedia:Hydralazine

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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.