pubchem-compound / source /source_metadata_before.json
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Add unfiltered PubChem Compound 2026-09-27 compact reference and original CID exports
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{
"base_url": "https://ftp.ncbi.nlm.nih.gov/pubchem/Compound/Extras/",
"checked_at_utc": "2026-10-07T12:44:25.404186+00:00",
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}