dichloromethylene diphosphonate ( cl2mdp ) and ethane-1-hydroxyl-1 , 1-diphosphonate ( ehdp ) inhibited resorption to similar extents with two exceptions : at concentrations of 10 microm and 100 microm , f2mdp was more effective than ehdp and less effective than cl2mdp .
C0012544
diphosphonate
C0012081
cl2mdp