InChI=1/C21H18N6O2/c1-13(14-5-3-2-4-6-14)25-18-19(21(29)20(18)28)26-15-7-10-23-17(11-15)27-16-8-9-22-12-24-16/h2-13,19H,1H3,(H2,22,23,24,26,27)/p+1/t13-,19+/m1/s1/fC21H19N6O2/h23,26-27H/q+1 FFECB1B991B722FF