InChI=1/C21H18N4O2/c1-13-4-3-5-14(2)19(13)24-20-18-10-22-12-25(18)17(11-23-20)15-6-8-16(9-7-15)21(26)27/h3-12H,1-2H3,(H,23,24)(H,26,27)/p-1/fC21H17N4O2/h24H/q-1 5192737032FF6617