1 U1V 1-(4-fluoro-2-methylphenyl)methanesulfonamide 1.000 2 UR7 1-(3-fluoro-4-methylphenyl)methanesulfonamide 0.733 3 PMF Phenylmethylsulfonyl fluoride 0.714 4 PMS Phenylmethanesulfonic acid 0.714