DERIVES DE 6-(BENZO[D][1,3]DIOXOL-5-YL)-2-SUBSTITUE-2,3,12,12A-TETRAHYDROPYRAZINO [1',2':1,6]PYRIDO[3,4-B]INDOLE-1,4(6H,7H)-DIONE COMME INHIBITEURS DE PHOSPHODIESTERASE DE TYPE 5
Disclosed are a compound represented by general formula (I) as a phosphodiesterase type-5 inhibitor or pharmaceutically acceptable salt thereof and use thereof in treating and/or preventing diseases or disease states related to the phosphodiesterase type-5 in mammals.