Synonyms: Akuammilan-17-oicacid, 2,5-epoxy-1,2-dihydro-, methyl ester, (2a,3x,5a)-; Vincaridine (8CI);2H,12H-6,12a-Epoxy-2,7a-methanoindolo[2,3-a]quinolizine-14-carboxylic acid,3-ethylidene-1,3,4,6,7,12b-hexahydro-, methyl ester,(2R,3E,6S,7aR,12aR,14R)-[partial]-