Mirodenafil
Mirodenafil is a member of the class of pyrrolopyrimidines that is 3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one having a 5-{[4-(2-hydroxyethyl)piperazin-1-yl]sulfonyl}-2-propoxyphenyl group at positon 2, ethyl group at position 5, and a propyl group at position 7. It is a phosphodiesterase type 5 inhibitor which is used for the treatment of erectile dysfunction. It has a role as an EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor and a vasodilator agent. It is a sulfonamide, a pyrrolopyrimidine, a N-alkylpiperazine, a primary alcohol and an aromatic ether.