TLF51: Tadalafil EP Impurity A N-Desmethyl Impurity

TLF51: Tadalafil EP Impurity A N-Desmethyl Impurity

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Tadalafil EP Impurity A N-Desmethyl Impurity ;

N-Desmethyl epi-Tadalafil ;

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

CAS # 929100-66-3 ;

C21H17N3O4 ;

MW: 375.38 ;