Synonyms:
3,5,6,16,17-pentadehydro-6-[(16s,19e)-19,20-didehydro-16-(methoxycarbonyl)corynan-17-yl]-16-methoxycarbonyl-19α-methyl-18-oxayohimban-4-ium ; oxayohimbanium, 3,4,5,6,16,17-hexadehydro-6-[ (16s,19e)-19, 20-didehydro-16-(methoxycarbonyl)corynan-17-yl]-16-(methoxycarbony l)-19-methyl-, (19.alpha.)- ; serpentinine