amber autosampler vials containing inserts for GC/MS analysis. Chromatographic Conditions LC/MS/MS was performed using a Luna® 3µm C18(2) 150 x 3.0mm column (Phenomenex, Torrance, CA, USA, p/n 00F-4251-Y0) on an Aijiren® LC system (Aijiren Technologies, Palo Alto, CA, USA), equipped with a binary pump, autosampler