Synonyms: | Vinpocetine impurity C;Ethyl (13aS,13bS)-13a-ethyl-9-methoxy-2,3,5,6,13a,13b-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate;Eburnamenine-14-carboxylic acid, 11-methoxy-, ethyl ester, (3α,16α)- (9CI);(41S,13aS)-ethyl 13a-ethyl-9-methoxy-2,3,41,5,6,13a-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate |