Mirodenafil862189-95-5100 % similar 5-Ethyl-3,5-dihydro-2-[5-[[4-(2-hydroxyethyl)-1-piperazinyl]sulfonyl]-2-propoxyphenyl]-7-propyl-4H-pyrrolo[3,2-d]pyrimidin-4-one hydrochloride (1:2)862189-96-696 % similar Vardenafil224785-90-440 % similar Vardenafil hydrochloride224785-91-539 % similar Sildenafil139755-83-238 % similar Vardenafil dihydrochloride224789-15-538 % similar Vardenafil hydrochloride trihydrate330808-88-338 % similar Pseudovardenafil224788-34-537 % similar o-Desethyl sildenafil139755-91-234 % similar Sildenafil citrate171599-83-033 % similar Aildenafil496835-35-933 % similar Udenafil268203-93-632 % similar