Definition: Organic compounds which contain P-C-P bonds, where P stands for phosphonates or phosphonic acids. These compounds affect calcium metabolism. They inhibit ectopic calcification and slow down bone resorption and bone turnover. Technetium complexes of diphosphonates have been used successfully as bone scanning agents.
methylene diphosphonate [ disodium methanediphosphonate,methane diphosphonate,methylene diphosphonate, (32)P-labeled,methylene diphosphonate, disodium salt,methylene diphosphonic acid,methylene diphosphonate, tetrasodium salt,methylene diphosphonate, tetrasodium salt, (32)P-labeled,methylene diphosphonate, tin(4+) salt, (113)Sn-labeled,methylene diphosphonate, trisodium salt ] RN given refers to parent cpd; see also record for Tc-99m salt