TLF41: Tadalafil N-Desmethyl Impurity

TLF41: Tadalafil N-Desmethyl Impurity

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Tadalafil N-Desmethyl Impurity ;

N-Desmethyl Tadalafil ;

(6R,12aR)-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 # 171596-36-4 ;

C21H17N3O4 ;

MW: 375.38 ;