Developed by renowned toxicologist Hans H. Maurer and his team, the Mass Spectral Library of Drugs, Poisons, Pesticides Pollutants, and Their Metabolites, 5th edition sees the addition of 1,780 carefully evaluated data sets, bringing the total to 10,430 mass spectra and GC retention indices. Featured compounds from 175 categories include psychoactive substances, almost all relevant therapeutic drugs, and 7,800 of their metabolites.