2-Butenoic acid, 2-methyl-, (1S,2S)-2-hydroxy-1,3-dimethyl-2-((((1R,7aR)-2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl)methoxy)carbonyl)butyl ester, (2E)- 80405-18-1