InChI=1S/C22H26N2O9/c1-21(32)7-5-4-6-8(25)9(7)15(26)10-12(21)17(28)13-14(24(2)3)16(27)11(20(23)31)19(30)22(13,33)18(10)29/h4-6,11-14,16-17,25,27-29,32-33H,1-3H3,(H2,23,31)/t11?,12?,13?,14?,16?,17?,21?,22-/m0/s1