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PubChem provides information on the biological activities of small molecules. It is a component of NIH's Molecular Libraries Roadmap Initiative. PubChem contains more than 38 million substances, 18 million compounds, and 710 bioassays. Structures from NIH Clinical Collection are now available in PubChem. Structures from Shanghai Institute of Organic Chemistry are now available in PubChem. Structures from ChemSpider are now updated in PubChem.... Show More


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