好貓西地那非;蒙莫西地那非;蒙莫昔多芬;

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;5-[2-ethoxy-5-(4-ethylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one;