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