InChI=1/C12H10N6O4/c19-7-3-1-2-6-10(7)11(17-12(13-6)14-15-16-17)8-4-5-9(22-8)18(20)21/h4-5,11H,1-3H2,(H,13,14,16)/t11-/m1/s1/f/h13H FE33B3AF2917908A