Structural Search Resources
 · Aldrich Catalog
 · ChemDB Search Engine from UC Irvine
 · eMolecules Database

Text-based Databases
 · Google Scholar
 · STN on the Web
 · Science Citation Index

Patent Literature Search Engines
 · Patent Lens
 · US Patent Server
 · European Patent Server via Esp@cenet
 · World Patents via freepatentsonline

Literature Resources
 · Journal Holdings at Pelletier
 · Comprehensive Journal Listing from University of Liverpool