1	BSG	4-({[(dihydroxyboranyl)methyl]sulfamoyl}methyl)benzoic acid	1.000
2	BSF	{[(benzylsulfonyl)amino]methyl}boronic acid	0.833
3	0N3	3-({[(dihydroxyboranyl)methyl]sulfamoyl}methyl)benzoic acid	0.714