InChI=1S/C22H26N2O9/c1-21(32)8-4-7(25)5-11(26)12(8)16(27)13-9(21)6-10-15(24(2)3)17(28)14(20(23)31)19(30)22(10,33)18(13)29/h4-5,9-10,14-15,17,25-26,28-29,32-33H,6H2,1-3H3,(H2,23,31)/t9?,10?,14?,15?,17?,21-,22+/m1/s1