(6R-Cis)-6-(1,3-benzodioxol-5-yl)- 2,3,6,7,12,12a-hexahydro-2-methylpyrazino [1’,2’:1,6]pyrido[3,4- b]indole-1,4-dione

API : Tadalafil

CAS NO : NA

IMPURUTY NAME : Tadalafil impurity-B

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