InChI=1S/C21H30N2O11/c1-31-11-9-10(5-6-12(24)23-8-4-3-7-22)17(18(32-2)13(11)25)33-21-16(28)14(26)15(27)19(34-21)20(29)30/h5-6,9,14-16,19,21,25-28H,3-4,7-8,22H2,1-2H3,(H,23,24)(H,29,30)