Locate information on structure and biological activity of over 800,000 small organic molecules. Search by substance, bioassay or compound. Information is imported from 14 public sources, including ChemID plus. Structure and similarity searching are also supported. From the National Center for Biotechnology Information, it includes links to other Pubmed Entrez databases.
Search Guide: http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pcsubstance
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