TLF09: Tadalafil EP Impurity I

(8a′R)-6′-(1,3-Benzodioxol-5-yl)-2′-methyl-2′,3′,8′,8a′-tetrahydro-6′H-spiro[indole-3,7′-pyrrolo[1,2-a]pyrazine]-1′,2,4′(1H)-trione ;

CAS # 1795790-92-9 ; 2378614-29-8 ;

C22H19N3O5 ;
Mol. Wt.: 405.4 ;