Sensitive quantification of 5F-NNEI and characterization of its several metabolites in authentic urine and/or serum specimens obtained from three individuals by LC –QTRAP-MS/MS and high-resolution LC–Orbitrap-MS/MS

ConclusionsA synthetic cannabinoid, 5F-NNEI, was identified and quantified in its unchanged form, and its several metabolites were tentatively identified in authentic specimens obtained from three individuals, for the first time to our knowledge.
Source: Forensic Toxicology - Category: Forensic Medicine Source Type: research