CHEMICAL INFORMATION AND COMPUTATION 2012 NUMBER ONE. 243rd ACS NATIONAL MEETING AND EXPOSITION, SAN DIEGO, CA, MARCH 25-29, 2012 Our 39th ACS report is going to press. Contents list and order forms at http://www.warr.com. This report has transcripts of 30 papers with colour graphics: * drug polypharmacology prediction and designi o drug repurposing o polypharmacology models for large datasets o QSARome of GPCRs * beyond small molecules; pushing the envelope for chemical structure representation o PubChem advances o proteins, nucleic acids o Markush structure search o non-specific structures, etc. * recent advances in reaction searching o reaction databases and novel tools o multi-step, branched, convergent or linear reactions and associated data o ELNs and in-house databases o searching for compounds not yet existing o automated extraction of reactions from the patent literature o retrosynthesis and stereoselectivity * InChI symposium plus six months' worth of news from 70 companies. Wendy Dr. Wendy A. Warr Wendy Warr & Associates 6 Berwick Court, Holmes Chapel Cheshire, CW4 7HZ, England Tel./Fax +44 (0)1477 533837 wendy@warr.com<mailto:wendy@warr.com> http://www.warr.com