(6E)-3,4,5-trihydroxy-N-(6-hydroxy-1-methyl-2-oxoazepan-3-yl)-2-methoxy-8-methylnon-6-enamide (non-preferred name) 2-butenoic acid, 2-methyl-, (2E)-3-(4-methoxyphenyl)-2-propenyl ester, (2Z)- InChI=1/C18H32N2O7/c1-10(2)5-8-13(22)14(23)15(24)16(27-4)17(25)19-12-7-6-11(21)9-20(3)18(12)26/h5,8,10-16,21-24H,6-7,9H2,1-4H3,(H,19,25)/b8-5