InChI=1/C22H22N4O4/c1-4-17(24-16-11-9-15(10-12-16)23-14(3)27)19-20(28)25-22(30)26(21(19)29)18-8-6-5-7-13(18)2/h5-12,24H,4H2,1-3H3,(H,23,27)(H,25,28,30)/b19-17+/f/h23,25H 8CDFCECDE3A17C48