Quantification and distribution of 4-fluoroisobutyryl fentanyl (4-FiBF) in postmortem biological samples using UHPLC –QqQ-MS/MS

ConclusionsThe developed and fully validated method enabled for determination of 4-FiBF in postmortem biological fluids and tissues. To our knowledge, this is the first report of distribution study of 4-FiBF with other NPS (N-ethylpentylon, 4-CMC and α-PiHP) in authentic fatal intoxication cases.
Source: Forensic Toxicology - Category: Forensic Medicine Source Type: research