5F Cumyl PINACA in 'e liquids' for electronic cigarettes: comprehensive characterization of a new type of synthetic cannabinoid in a trendy product including investigations on the in vitro and in vivo phase I metabolism of Pharmacology of Cannabis and the Endocannabinoid System (Part I) Marijuana and Madness Metabolism, CB1 cannabinoid receptor binding and in vivo activity of synthetic cannabinoid 5F AKB48: Implications for toxicity ScienceDirect Synthetic cannabinoids in e liquids: A proton and fluorine NMR analysis from a conventional spectrometer to a compact one ScienceDirect