InChI=1/C18H14F4N2O2S/c1-11-7-12(9-13(19)8-11)17-23-16(18(20,21)22)10-24(17)14-3-5-15(6-4-14)27(2,25)26/h3-10H,1-2H3 32D0A189A7BFD3F2