英文别名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-(2-piperazin-1-ylacetyl)phenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one; 5-[2-Ethoxy-5-(1-piperazinylacetyl)phenyl]-1,4-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one; N-Desethylacetildenafil; N-Desethyl acetildenafil 
