1	210	Pamidronate	1.000
2	911	(1-hydroxyethane-1,1-diyl)bis(phosphonic acid)	0.846
3	212	Alendronate	0.800
4	AHD	4-amino-1-hydroxybutane-1,1-diyldiphosphonate	0.800
5	028	(1-hydroxyheptane-1,1-diyl)bis(phosphonic acid)	0.706
6	NRD	(6-azanyl-1-oxidanyl-1-phosphono-hexyl)phosphonic acid	0.706