1	CV2	(S)-(1-amino-2phenylallyl)phosphonic acid	1.000
2	PPH	[(1r)-1-amino-2-phenylethyl]phosphonic acid	0.929
3	Q04	[(1r)-1-amino-2-cyclohexylethyl]phosphonic acid	0.929
4	2BY	Phaclofen	0.812