5-[2-ETHOXY-5-[(4-ETHYL-(PIPERAZIN-1-YL))SULFONYL]PHENYL]-1,6-DIHYDRO-1-METHYL-3-PROPYL-7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE;
5-[2-Ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one;
PYR397;
5-[2-ethoxy-5-(4-ethylpiperazine-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one;
7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-;
Homo Sildenafil;
5-{2-Ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl}-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one;
UNII-0Z3JH0S0QK;