InChI=1S/C22H26N2O9/c1-24(2)15-14-17(28)11-8(6-25)7-4-3-5-9(26)10(7)16(27)12(11)19(30)22(14,33)20(31)13(18(15)29)21(23)32/h3-5,8,11,13-15,17-18,25-26,28-30,33H,6H2,1-2H3,(H2,23,32)/t8?,11?,13?,14?,15?,17?,18?,22-/m0/s1