HPLC MS Urinalysis: Synthetic Cannabinoid 5F AKB 48 Metabolites Metabolism, CB1 cannabinoid receptor binding and in vivo activity of synthetic cannabinoid 5F AKB48: Implications for toxicity ScienceDirect Frontiers Enantiospecific Synthesis, Chiral Separation, and Biological Activity of Four Indazole 3 Carboxamide Type Synthetic Cannabinoid Receptor Agonists and Their Detection in Seized Drug Samples Identification of Eight Synthetic Cannabinoids, Including 5F AKB48 in Seized Herbal Products Using DART TOF MS and LC QTOF MS as Portable Identification of Narcotics Agilent 4500 and 5500 FTIR Forensics Analyzers Identification of Eight Synthetic Cannabinoids, Including 5F'AKB48 in Seized Herbal Products Using DART'TOF