英文别名Hydroxythioacetildenafil; 1-[4-ethoxy-3-(1-methyl-3-propyl-7-sulfanylidene-4H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]-2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanone; 1-(4-Ethoxy-3-(1-methyl-3-propyl-7-thioxo-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)-2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanone; Ethanone, 1-(3-(6,7-dihydro-1-methyl-3-propyl-7-thioxo-1H-pyrazolo(4,3-d)pyrimidin-5-yl)-4-ethoxyphenyl)-2-(4-(2-hydroxyethyl)-1-piperazinyl)-; 1-(4-ethoxy-3-{1-methyl-3-propyl-7-sulfanylidene-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-5-yl}phenyl)-2-[4-(2-hydroxyethyl)piperazin-1-yl]ethan-1-one; 1-(4-ethoxy-3-(1-methyl-3-propyl-7-thioxo-4,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)-2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanone; 1-[4-Ethoxy-3-(1-methyl-3-propyl-7-sulfanylidene-4,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]-2-[4-(2-hydroxyethyl)piperazin-1-yl]ethan-1-one; 5-[2-Ethoxy-5-[2-[4-(2-hydroxyethyl)-1-piperazinyl]acetyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-7-thio-pyrazolo[4,3-d]pyrimidine; 1-[3-(6,7-Dihydro-1-Methyl-3-propyl-7-thioxo-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]-2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanone 
