InChI=1S/C19H24N2O8/c1-9(22)20-6-5-10-8-21(13-4-3-11(28-2)7-12(10)13)18-16(25)14(23)15(24)17(29-18)19(26)27/h3-4,7-8,14-18,23-25H,5-6H2,1-2H3,(H,20,22)(H,26,27)