Synthetic cannabinoids and ST elevation myocardial infarction The American Journal of the Medical Sciences HPLC MS Urinalysis: Synthetic Cannabinoid 5F AKB 48 Metabolites Identification of Eight Synthetic Cannabinoids, Including 5F'AKB48 in Seized Herbal Products Using DART'TOF Metabolism, CB1 cannabinoid receptor binding and in vivo activity of synthetic cannabinoid 5F AKB48: Implications for toxicity ScienceDirect