| Synonyms: | ethyl (41R,13aR)-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;Vincamine Impurity 1;(41R,13aR)-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;Vinpocetine Impurity F;Tocris-0757;Vinpocetine Impurity 6;Vinpocetine Impurity 2;(41R,13aR)-ethyl 13a-ethyl- |