2-Butenoic acid, 2-methyl-, 7-((2,3-dihydroxy-2-(1-methoxyethyl)-3-methyl-1-oxobutoxy)methyl)-2,3-dihydro-1H-pyrrolizin-1-yl ester, (1S-(1-alpha(Z),7(S*(R*))))- 23092-98-0 Dehydrolasiocarpine Lasiocarpine, didehydro-