InChI=1/C21H20FNO4S/c1-14-17(13-27-15(2)24)12-21(23(14)19-8-6-18(22)7-9-19)16-4-10-20(11-5-16)28(3,25)26/h4-12H,13H2,1-3H3 64F03B845E9DF8AA