e-EROS, electronic encyclopedia of reagents for organic synthesis
Database of approximately 70,000 reactions and 4000 of the most frequently consulted reagents. Searchable by structure and sub-structure, reagent, reaction
type, experimental conditions, and keyword.
Encyclopedia of geochemistry
Encyclopædia Britannica online
Consists of a fully searchable and browsable collection of authoritative references, including Britannica's latest article database, articles not yet in
the print Britannica encyclopedia, Merriam-Webster's collegiate dictionary (tenth edition), and the Britannica book of the year.
Handbook of porphyrin science
"... ongoing series dealing in detail with the synthesis, chemistry, physicochemical and medical properties and applications of polypyrrole macrocycles."--Home
page, vols. 1-5.
McGraw-Hill encyclopedia of science & technology (see: Access Science)
Full access to 8500+ articles, 110,000 dictionary terms, and hundreds of Research Updates in all areas of science and technology, updated daily; over 2000
biographies of leading scientists.