InChI=1S/C22H22N2O9/c1-7-8-5-4-6-9(25)11(8)14(26)12-10(7)17(28)21(32)16(24(2)3)15(27)13(20(23)31)19(30)22(21,33)18(12)29/h4-6,10,13,16-17,25,28-29,32-33H,1H2,2-3H3,(H2,23,31)/t10?,13?,16?,17?,21?,22-/m0/s1