19 F and 1 H quantitative NMR spectroscopic analysis of fluorinated third generation synthetic cannabinoids Analytical Methods (RSC Publishing) DOI:10.1039 C9AY00814D 5F AKB 48 Analysis of synthetic cannabinoids in wastewater of major cities in China ScienceDirect 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