pyrophosphate and disodium dichioromethylene diphosphonate ( c12mdp ) inhibited strongly at 10 ( -4 ) m , disodium ethane-1-hydroxy-1,1-diphosphonate ( ehdp ) at 10 ( -5 ) m , whereas pentanemonophosphonate had no effect .
C0012544
diphosphonate
C0086268
ehdp