InChI=1/C20H15F2NO4S/c21-16-7-6-15(12-1-4-14(5-2-12)28(23,24)25)19(20(16)22)13-3-8-17-18(11-13)27-10-9-26-17/h1-8,11H,9-10H2,(H2,23,24,25)/f/h23H2 1131BD0687E04C00