"(12S,13aS,13bS)-13a-Ethyl-2,3,5,6,12,13,13a,13b-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylic Acid Ethyl Ester-d5;(3a,14ß,16a)-14,15-Dihydro-eburnamenine-14-carboxylic Acid Ethyl Ester-d5; 1H-Indolo[3,2,1-de]pyrido[3,2,1-ij",(+)-(14ß)-Dihydrovinpocetine-d5,"(+)-(14ß)-Dihydrovinpocetine-d5 is labelled (+)-(14ß)-Dihydrovinpocetine (D448385) which is a stereoisomer of (-)-Dihydroapovincaminic Acid Ethyl Ester (D448350), a chiral modifier in enantioselective heterogeneous catalytic hydrogenations. It is also structurally related to Vinpocetine (V332500), a Vasodilator (cerebral).",vinpocetine Stable Isotopes
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