two diphosphonates , ehdp ( disodium etidronate , or ethane-hydroxy-diphosphonate ) and cl2mdp ( disodium clodronate , or dichloromethylene-diphosphonate ) were injected in various doses in 8 patients who had had one or more episodes of malignant hypercalcemia .
C0086268
ehdp
C0037507
disodium etidronate