InChI=1/C21H19N5O2/c1-13-14(2)22-21-24-20(25-26(21)19(13)28)23-18(27)17(15-9-5-3-6-10-15)16-11-7-4-8-12-16/h3-12,17,28H,1-2H3,(H,23,25,27)/p-1/fC21H18N5O2/h28h,27H/q-1 B0F6839185DA7B0F