InChI=1/C21H20N4O4/c1-2-10-23-19(27)17(12-22)18(26)13-6-5-7-14(11-13)25-21(29)16-9-4-3-8-15(16)20(28)24-25/h2-7,11,15-16,26H,1,8-10H2,(H,23,27)(H,24,28)/p-1/b18-17-/t15-,16+/m0/s1/fC21H19N4O4/h26h,23-24H/q-1 FD9ED8C52EA627F5