InChI=1/C21H18N4O4/c26-18(24-21-22-16-5-1-2-6-17(16)23-21)12-7-8-14-15(10-12)20(28)25(19(14)27)11-13-4-3-9-29-13/h1-2,5-8,10,13H,3-4,9,11H2,(H2,22,23,24,26)/t13-/m1/s1/f/h22-23H	B82E59E904E48B8F