InChI=1S/C22H26N4O8/c23-18(24)11-3-1-10(2-4-11)5-7-22(8-6-12(19(25)26)9-13(22)27)34-21-16(30)14(28)15(29)17(33-21)20(31)32/h1-6,8-9,14-17,21,28-30H,7,23-24H2,(H3,25,26)(H,31,32)