5F AKB48. I have had a fair amount of experience with drugs Isolation, detection and identification of synthetic cannabinoids in alternative formulations or dosage forms ScienceDirect Frontiers Enantiospecific Synthesis, Chiral Separation, and Biological Activity of Four Indazole 3 Carboxamide Type Synthetic Cannabinoid Receptor Agonists and Their Detection in Seized Drug Samples 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 Hydroxypentyl Metabolites Retain Efficacy at Human Cannabinoid Receptors The Journal of Pharmacology and Experimental Therapeutics