Tadalafil

CAS Number : 171596-29-5

IUPAC Name
(6R,12aR)-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-6-(3,4-(methylenedioxy)phenyl)pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione