| Sildenafil |
| Sildenafil (INN) |
| Sildenafil citrate (JAN/USP) <JP/US> |
| Tadalafil (JAN/USP/INN) <JP/US> |
| Vardenafil |
| Vardenafil (USAN/INN) |
| Vardenafil dihydrochoride (USAN) |
| Vardenafil hydrochloride hydrate (JAN) <JP/US> |
| Vardenafil hydrochloride (USP) |
| Avanafil (USAN/INN) <US> |
| Udenafil (USAN/INN) |
| Dipyridamole (JP18/USP/INN) <JP/US> |
| Gisadenafil |
| Gisadenafil (USAN/INN) |
| Gisadenafil besylate (USAN) |
| Dasantafil (USAN/INN) |