1	M3Q	[(quinolin-8-yl)methyl]phosphonic acid	1.000
2	I59	Hydroxy(1-naphthyl)methylphosphonic acid	0.824
3	SYE	(quinolin-2-ylmethyl)phosphonic acid	0.765
4	B85	Benzylphosphonic acid	0.733
5	KED	[(2-oxo-1,2-dihydroquinolin-4-yl)methyl]phosphonic acid	0.722