[{"from": "human", "value": "Provide a brief overview of this molecule. [Cl-1].[Cl-1].[89Sr+2]"}, {"from": "gpt", "value": "The molecule is the chloride salt of a radioactive isotope of strontium. Strontium chloride Sr 89 is taken up and incorporated preferentially in metastatic lesions in bone where it emits cytotoxic beta radiation, resulting in an inhibition and/or reduction of tumor growth and so tumor-related bone pain. (NCI04)"}]