[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O][O][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O][O][Branch1][C][Cl][Cl].[Na].[Na]"}, {"from": "gpt", "value": "The molecule is the disodium salt of a nitrogen-free bisphosphonate analog of naturally occurring pyrophosphate. Clodronate binds to calcium and inhibits osteoclastic bone resorption and hydroxyapatite crystal formation and dissolution, resulting in a reduction of bone turnover. This agent may control malignancy-associated hypercalcemia, inhibit osteolytic bone metastasis and decrease pain."}]