InChI=1S/C21H32N2O11/c1-31-12-8-10(7-11(24)19(28)23-6-4-3-5-22)9-13(32-2)17(12)33-21-16(27)14(25)15(26)18(34-21)20(29)30/h8-9,11,14-16,18,21,24-27H,3-7,22H2,1-2H3,(H,23,28)(H,29,30)