{ "description": "PubChem PUG REST API - Get compound properties by CID", "api": "PubChem PUG REST", "endpoint": "GET /compound/cid/{cids}/JSON", "parameters": { "cids": [ 2244 ], "properties": "MolecularFormula,MolecularWeight,CanonicalSMILES,IUPACName" }, "curl_example": "curl -X GET 'https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/2244/property/MolecularFormula,MolecularWeight/JSON'" }