英文别名Vinpocetine Impurity; methyl (41S,12R,13aS)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate; Vinpocetine Impurity 19; (3β,14R,16β)-14,15-Dihydro-14-hydroxyeburnamenine-14-carboxylic acid methyl ester; (-)-cis-Epivincamine; (3α,16α)-14,15-Dihydro-14α-hydroxyeburnamenine-14-carboxylic acid methyl ester; 16-Epivincamine; cis-Epivincamine; Epivincamine 
