the lesion-to-normal-bone ratios of dba-mdp ( dibutylamino-methylene-diphosphonate ) , dpd ( dicarboxypropane-diphosphonate ) and mdp ( methylene-diphosphonate ) each labeled with 99mtc , were evaluated in experimental bone lesions .
C0012544
diphosphonate
C0066351
methylene-diphosphonate