1	911	(1-hydroxyethane-1,1-diyl)bis(phosphonic acid)	1.000
2	210	Pamidronate	0.846
3	MDN	Methylenediphosphonic acid	0.818
4	212	Alendronate	0.786
5	AHD	4-amino-1-hydroxybutane-1,1-diyldiphosphonate	0.786
6	SUF	[2-(dimethyl-lambda~4~-sulfanyl)-1-hydroxyethane-1,1-diyl]bis(phosphonic acid)	0.786