TLF80: Tadalafil Impurity 20

(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxypropyl)-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione ;

CAS # 1353020-85-5 ;

C24H23N3O5 ;
Mol. Wt.: 433.46 ;