Chemistry tutorials.
Tableau Périodique. RMN. Logiciels. Biochimie. Chimie Quantique. Classic Organic Reactions. Chemistry WebBook. Molécules. Organic-Chemical Drugs and their Synonyms - Wiley Online Library. About the Handbook For all scientists concerned with the development of new drugs, the print version of this standard work is well-known as "the Negwer".
This indispensable source of information is availabe online! The search tools include text, structures and compound classes. The eighth edition of the Negwer compiles more than 19.000 chemically unique drugs with more than 130.000 synonyms. The organo-chemical drugs are arranged by increasing molecular formulas.