Vinpocetine EP Impurity A

Chemical Name: Ethyl (12S,13aS,13bS)-13a-ethyl-12-hydroxy- 2,3,5,6,12,13,13a,13b-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate (as per EP & USP)

Synonym: Ethyl Vincaminate (EP) ; Vinpocetine USP Related Compound A

Smile: O=C(OCC)[C@]1(O)N(C2=C3C=CC=C2)C4=C3CCN(CCC5)[C@@]4([H])[C@]5(CC)C1