1. Oprea TI (2011) Next generation QSAR. Mol Inform 30:89
2. The PubChem service is hosted by the National Center for Biotechnology Information at NIH;
http://pubchem.ncbi.nlm.nih.gov/
3. ChEMBL is a database of bioactive drug-like molecules hosted by the European Bioinformatics Institute at EMBL;
https://www.ebi.ac.uk/chembldb/
4. Oprea TI, Ostopovici-Halip L, Rad-Curpan R (2010) Databases for chemical and biological information. In: Balakin KV (ed) Pharmaceutical data mining. Wiley, Hoboken, NJ, pp 491–520
5. Brown F (2005) Chemoinformatics – a ten year update. Curr Opin Drug Discov Dev 8:296–302