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GC-based Detection of Aldononitrile Acetate Derivatized Glucosamine and Muramic Acid for Microbial Residue Determination in Soil
Published on: May 19, 2012
Identification of a novel glutathione conjugate of diclofenac by LTQ-Orbitrap
Yohannes Teffera1, Daniel J Waldon, Adria E Colletti
1Pharmacokinetics and Drug Metabolism, Amgen, Inc., One Kendall Square, Building 1000, Cambridge, MA 02139, USA. yteffera@amgen.com
Drug Metabolism Letters
|April 10, 2009
Abstract:
High resolution accurate MS with an LTQ-Orbitrap identified two novel metabolites of diclofenac in rat bile and rat and human hepatocyte incubations: a benzyl-S-glutathione conjugate and 2-(2,6-dichlorophenylamino) benzoic acid. A mechanism for the bioactivation of diclofenac involving decarboxylation is proposed.
