(3alpha,14beta)-14,15-dihydro-14,21-epoxyeburnamenine InChI=1/C19H22N2O/c1-2-5-15-13(4-1)14-6-10-20-9-3-7-19-8-11-22-16(12-19)21(15)17(14)18(19)20/h1-2,4-5,16,18H,3,6-12H2/t16-,18-,19+/m1/s eburnamenine, 14,21-epoxy-14,15-dihydro-, (3alpha,14beta)-