InChI=1/C22H20N4O4/c1-29-18-11-14(10-17-12-25-22(24)26-20(17)23)9-16(19(18)30-2)8-5-13-3-6-15(7-4-13)21(27)28/h3-4,6-7,9,11-12H,10H2,1-2H3,(H,27,28)(H4,23,24,25,26)/p-1/fC22H19N4O4/h23-24H2/q-1 44BFC3C2BDDBE51C