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 Synthetic cannabinoid availability on darknet drug marketschanges during 20162017 5F AKB 48 Sexspecific behavioural, metabolic, and immunohistochemical changes after repeated administration of the synthetic cannabinoi