InChI=1/C21H16N6O/c22-11-15-5-7-16(8-6-15)23-13-21(28)26-17-9-10-20(24-12-17)27-14-25-18-3-1-2-4-19(18)27/h1-10,12,14,23H,13H2,(H,26,28)/f/h26H A9A6F3A9958A81F3