InChI=1/C18H14F4N2O3S/c1-27-14-8-11(7-12(19)9-14)17-23-16(18(20,21)22)10-24(17)13-3-5-15(6-4-13)28(2,25)26/h3-10H,1-2H3 36F6D9E770240444