InChI=1/C12H7F2N7/c13-6-1-5(8(15)2-7(6)14)11-19-20-12-9-10(17-3-16-9)18-4-21(11)12/h1-4H,15H2,(H,16,17)/f/h16H C55B8C483C2C7C2E