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PubChem: Information on Biological Activities of Small Molecules
"PubChem provides information on the biological activities of small molecules." For license information, see: http://www.ncbi.nlm.nih.gov/About/disclaimer.html -
eCrystals Southampton
Description eCrystals - Southampton is the archive for Crystal Structures generated by the Southampton Chemical Crystallography Group and the EPSRC UK National Crystallography... -
ChemIDplus
About This database allows users to search the NLM ChemIDplus database of over 370,000 chemicals. A user may enter compound identifiers such as Chemical Name, CAS Registry...