2-butenoic acid, 2-methyl-, (2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl)methyl ester, (2Z)- InChI=1/C17H23NO7/c1-9-15(20)24-10(2)17(9,22)16(21)23-8-12-4-6-18-7-5-13(14(12)18)25-11(3)19/h4,9-10,13-14,22H,5-8H2,1-3H [1-(acetyloxy)-2,3,5,7a-tetrahydro-1H-pyrrolizin-7-yl]methyl 3-hydroxy-2,4-dimethyl-5-oxotetrahydrofuran-3-carboxylate (non-preferred name)