(Hexahydro-1H-pyrrolizin-1-yl)methyl 2,3-dihydroxy-2-(1-methylethyl)butanoate (1R-(1alpha-(2S*,3S*),7aalpha))- 551-57-5 Butanoic acid, 2,3-dihydroxy-2-(1-methylethyl)-, (hexahydro-1H-pyrrolizin-1-yl)methyl ester, (1R-(1alpha-(2S*,3S*),7aalpha))- Viridiflorine