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 .
C0008994
disodium clodronate
C0012081
dichloromethylene-diphosphonate