InChI=1/C20H17FO3S/c1-12(2)15-5-3-4-6-18(15)25-19-16(22)11-17(24-20(19)23)13-7-9-14(21)10-8-13/h3-12,22H,1-2H3/p-1/fC20H16FO3S/h22h/q-1 187EBADBEC5374CE