(1alpha,7alpha,7abeta)-(-)-(Hexahydro-7-hydroxy-1H-pyrrolizin-1-yl)methyl 3-methyl-2-butenoate 2-Butenoic acid, 3-methyl-, (hexahydro-7-hydroxy-1H-pyrrolizin-1-yl)methyl ester, (1alpha,7alpha,7abeta)-(-)- 51370-97-9