InChI=1/C21H16FNO4S/c1-26-19-11-8-14(12-17(19)22)20-16-4-2-3-5-18(16)27-21(20)13-6-9-15(10-7-13)28(23,24)25/h2-12H,1H3,(H2,23,24,25)/f/h23H2 9BA41998F3411060