[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch2][Ring1][#Branch2][=C][C][=C][Ring1][=Branch1][S][C][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][Cl]"}, {"from": "gpt", "value": "The molecule is a first generation bisphosphonate similar to [etidronic acid] and [clodronic acid]. These drugs were developed to mimic the action of pyrophosphate, a regulator of calcification and decalcification. Tiludronic acid was first described in the literature in 1988 as a potential treatment for Paget's disease of bone.  Tiludronic acid was granted FDA approval on 7 March 1997."}]