InChI=1S/C21H24N2O11/c24-13(25)4-3-11-14-9(6-12(22-11)19(29)30)8-5-7(1-2-10(8)23-14)33-21-17(28)15(26)16(27)18(34-21)20(31)32/h1-2,5,11-12,15-18,21-23,26-28H,3-4,6H2,(H,24,25)(H,29,30)(H,31,32)