QT041420

N-去甲基他达拉非；去甲他达拉非

N-Desmethyl Tadalafil;Nortadalafil

别名：(6R,12aR)-6-(benzo[d][1,3]dioxol-5-yl)-2,3,12,12a-tetrahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4(6H,7H)-dione