H OH metabolites OH Article Untargeted Metabolic Profiling of 4-Fluoro-Furanylfentanyl and Isobutyrylfentanyl in Mouse Hepatocytes and Urine by Means of LC-HRMS Camilla Montesano 1,* , Flaminia Vincenti 1,2 , Federico Fanti 3, Matteo Marti 4,5,* , Sabrine Bilel 4, Anna Rita Togna 6, Adolfo Gregori 7, Fabiana Di Rosa 7 and Manuel Sergi 3 1 Department of Chemistry, Sapienza University of Rome, 00185 Rome, Italy; fl
[email protected] 2 Department of Public Health and Infectious Disease, Sapienza University of Rome, 00185 Rome, Italy 3 Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy;
[email protected] (F.F.);
[email protected] (M.S.) 4 Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, 44121 Ferrara, Italy;
[email protected] 5 Department of Anti-Drug Policies, Collaborative Center for the Italian National Early Warning System, Presidency of the Council of Ministers, University of Ferrara, 44121 Ferrara, Italy 6 Department of Physiology and Pharmacology Vittorio Erspamer, Sapienza University of Rome, 00185 Rome, Italy;
[email protected] 7 Carabinieri, Department of Scientific Investigation (RIS), 00191 Rome, Italy;
[email protected] (A.G.);
[email protected] (F.D.R.) * Correspondence:
[email protected] (C.M.);
[email protected] (M.M.); Tel.: +39-0649-913-559 (C.M.); +39-0532-455-781 (M.M.) Abstract: The diffusion of new psychoactive substances (NPS) is highly dynamic and the available Citation: Montesano, C.; Vincenti, F.; substances change over time, resulting in forensic laboratories becoming highly engaged in NPS Fanti, F.; Marti, M.; Bilel, S.; Togna, A.R.; Gregori, A.; Di Rosa, F.; control.