InChI=1/C22H20N4O5/c1-11(2)18-16-17(22(24-18)14-5-3-4-6-15(14)23-21(22)29)20(28)25(19(16)27)12-7-9-13(10-8-12)26(30)31/h3-11,16-18,24H,1-2H3,(H,23,29)/t16-,17+,18-,22+/m0/s1/f/h23H 8735E6F25CE32E9E