Wiley Science Solutions is excited to unveil the second edition of LC-MSⁿ Library of Drugs, Poisons, and Their Metabolites. Developed by renowned toxicologist Hans H. Maurer and his team, the new edition includes over 3,000 new spectra and 770 new compounds. It provides a proven metabolite-based LC-MSⁿ screening method and MS2 and MS3 spectra of over 2,270 parent compounds and over 3,600 of their metabolites, making it one of the only LC-MSⁿ screening libraries that focuses on metabolite spectra for accurate detection.