147676-55-9

N-Desethyl Acetildenafil N-Desethylacetildenafi 1 5-[2-ethoxy-5-(2-piperazin-1-ylacetyl)phenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one 5-[2-ethoxy-5-(2-piperazin-1-ylacetyl)phenyl]-1-methyl-3-propyl-6~{H}-pyrazolo[4,3-d]pyrimidin-7-one 5-(2-Ethoxy-5-(2-(piperazin-1-yl)acetyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one 5-[2-Ethoxy-5-(1-piperazinylacetyl)phenyl]-1,4-dihydro-1-methyl -3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-ethoxy-5-[2-(1-piperazinyl)acetyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-