InChI=1S/C21H28N2O11/c1-21(7-25)5-11(27)13-12(34-21)3-2-9(10(26)4-8(22)6-24)14(13)23-19-17(30)15(28)16(29)18(33-19)20(31)32/h2-3,8,15-19,23-25,28-30H,4-7,22H2,1H3,(H,31,32)