InChI=1/C17H18FNO4S/c1-12-3-8-16(13(2)11-12)24(21,22)19-17(20)9-10-23-15-6-4-14(18)5-7-15/h3-8,11H,9-10H2,1-2H3,(H,19,20)/f/h20H 6AA9A9B53844EAD3