InChI=1/C18H15FO3S/c1-21-14-6-11(7-15(9-14)22-2)5-12-10-23-17-4-3-13(19)8-16(17)18(12)20/h3-9H,10H2,1-2H3/b12-5+ A1274E6BEE5A6E6A