英文别名Vincamine Impurity 2; (41R,13aS)-ethyl 13a-ethyl-2,3,41,5,6,13a-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate; 3β-apovincaminic acid ethyl ester; Vinpocetine Impurity 7; Vinpocetine Impurity 1; Ethyl (41R,13aS)-13a-ethyl-2,3,41,5,6,13a-hexahydro-1h-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate 
