male rats weighing 100 g were assigned to groups and injected daily for 10 days with vehicle ( control ) , 0.4 , 2.0 , 4.0 , 10.0 , or 20.0 mg/kg/day of ethane-1-hydroxy-1,1-diphosphonate ( ehdp ) or dichloromethylene diphosphonate ( c12mdp ) .
C0012544
diphosphonate
C0086268
ehdp