Merck Index on CD-ROM
http://watzek.worldcat.org/oclc/9166192

An encyclopedia of chemicals, drugs and biologicals providing chemical, common and generic names, molecular formulae and weights, physical and toxicity data, therapeutic and commercial uses, and citations to the chemical, biomedical and patent literature, and chemical structures. It contains the monograph section of the 12th edition of The Merck index and selected tables.

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