2-Butenoic acid, 2-methyl-, 7-((2,3-dihydroxy-2-(1-methylethyl)-1-oxobutoxy)methyl)-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-yl ester, (1R-(1alpha(E),7(2S*,3S*),7abeta))- 22571-95-5 7-((2,3-Dihydroxy-2-(1-methylethyl)-1-oxobutoxy)methyl)-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-yl 2-methyl-2-butenoate (1R-(1alpha(E),7(2S*,3S*),7abeta))- 7-Tiglyl-9-viridiflorylretronecine 7-Tiglylretronecine viridiflorate Butenoic acid, 2-methyl-, 7-((2,3-dihydroxy-2-(1-methylethyl)-1-oxobutoxy)methyl)-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-yl ester SYMPHYTINE