(41S,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-carboxylic acid; Apovincaminic Acid; (13aS,13bS)-13a-Ethyl-2,3,5,6,13a,13b-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylic Acid; Apovincamin-22-oic Acid; (3?,16?)-Eburnamenine-14-carboxylic Acid; (+)-Apovincaminic Acid; (+)-cis-Apovincaminic Acid;
