InChI=1/C21H20N4O6/c26-18(27)8-7-17(21(30)31)25-19(28)13-2-4-14(5-3-13)22-10-12-1-6-16-15(9-12)20(29)24-11-23-16/h1-6,9,11,17,22H,7-8,10H2,(H,25,28)(H,26,27)(H,30,31)(H,23,24,29)/p-2/t17-/m1/s1/fC21H18N4O6/h24-25H/q-2 3ED2A34287BCFB35