1	AHD	4-amino-1-hydroxybutane-1,1-diyldiphosphonate	1.000
2	212	Alendronate	1.000
3	210	Pamidronate	0.800
4	911	(1-hydroxyethane-1,1-diyl)bis(phosphonic acid)	0.786
5	028	(1-hydroxyheptane-1,1-diyl)bis(phosphonic acid)	0.765
6	NRD	(6-azanyl-1-oxidanyl-1-phosphono-hexyl)phosphonic acid	0.765