19 F and 1 H quantitative NMR spectroscopic analysis of fluorinated third generation synthetic cannabinoids Analytical Methods (RSC Publishing) DOI:10.1039 C9AY00814D Synthetic cannabinoid availability on darknet drug marketschanges during 20162017 Frontiers Pharmacological and Behavioral Effects of the Synthetic Cannabinoid AKB48 in Rats Structure activity relationships for 5F MDMB PICA and its 5F pentylindole analogs to induce cannabinoid like effects in mice Neuropsychopharmacology 5F AKB48. I have had a fair amount of experience with drugs