InChI=1/C21H20N4O4/c1-2-13-23(15-16-7-6-10-18(14-16)25(28)29)21(27)19-11-12-20(26)24(22-19)17-8-4-3-5-9-17/h2-10,14H,1,11-13,15H2 DEED36343814758A