InChI=1/C18H14F4N2O2S/c1-11-9-12(3-8-15(11)19)17-23-16(18(20,21)22)10-24(17)13-4-6-14(7-5-13)27(2,25)26/h3-10H,1-2H3 8C3B707C10908ADD