InChI=1S/C18H11F3N2O2S/c19-11-6-12(20)18-17(16(11)21)22-14(26-18)5-9-7-23(8-15(24)25)13-4-2-1-3-10(9)13/h1-4,6-7H,5,8H2,(H,24,25)