Synthetic cathinones: rising availability and growing risks in Europe In 2023, 37 tonnes of synthetic cathinones were seized across Europe up from just 4.5 tonnes in 2021. These substances are 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 Frontiers Pharmacological and Behavioral Effects of the Synthetic Cannabinoid AKB48 in Rats Identification of Eight Synthetic Cannabinoids, Including 5F AKB48 in Seized Herbal Products Using DART TOF MS and LC QTOF MS as Identification of Eight Synthetic Cannabinoids, Including 5F'AKB48 in Seized Herbal Products Using DART'TOF