1	VOD	(4-vinylphenyl)methanesulfonic acid	1.000
2	PMS	Phenylmethanesulfonic acid	0.846
3	SMF	4-sulfomethyl-L-phenylalanine	0.765
4	UR7	1-(3-fluoro-4-methylphenyl)methanesulfonamide	0.733
5	PMF	Phenylmethylsulfonyl fluoride	0.714