the diphosphonate , disodium ethane-1-hydroxy-1,1-diphosphonate ( ehdp ) has been shown in clinical studies to be effective against ectopic calcification particularly in myositis ossificans progressiva and in disorders of increased bone resorption such as paget 's diseases and some types of osteoporosis .
C0012544
diphosphonate
C0086268
ehdp