InChI=1/C20H15F2NO4S/c1-2-27-13-5-3-4-11(8-13)12-9-15(21)17(16(22)10-12)23-19(24)14-6-7-28-18(14)20(25)26/h3-10H,2H2,1H3,(H,23,24)(H,25,26)/p-1/fC20H14F2NO4S/h23H/q-1 599BC9FD196A66BA