Le Groupe Ollevier
Bibliothèque
Bordwell pKa Table
ChemSpider
ChemSpider Synthetic Pages
Challenging Problems in Chemistry and Chemical Biology (Evans Group-Harvard)
CSC 2013
CGCC
Chemistry by Design
Hans Reich's Organic Chemistry Information
IUPAC rules
Organic-Chemistry.org
Organic chemistry practice problems
Organic Reactions
Organic Syntheses
Patent Lens
Reaxys
R&D Chemical Suppliers Directory
Science of Synthesis
Spectral Database for Organic Compounds (SDBS)
SynOpen
The basics of NMR
The Glassware Gallery
The Organometallic HypertextBook
Web of Knowledge