1	IMB	[(isoquinolin-1-ylamino)-phosphono-methyl]-phosphonic acid	1.000
2	3YQ	{[(3-methylpyridin-2-yl)amino]methanediyl}bis(phosphonic acid)	0.762
3	CBQ	[(5-chloro-pyridin-2-ylamino)-phosphono-methyl]-phosphonic acid	0.762
4	YS1	[({4-[4-(cyclopropyloxy)phenyl]pyridin-2-yl}amino)methanediyl]bis(phosphonic acid)	0.704
5	YS4	[({4-[4-(propan-2-yloxy)phenyl]pyridin-2-yl}amino)methanediyl]bis(phosphonic acid)	0.704