Synthetic cannabinoids in e liquids: A proton and fluorine NMR analysis from a conventional spectrometer to a compact one ScienceDirect Isolation, detection and identification of synthetic cannabinoids in alternative formulations or dosage forms ScienceDirect PTC (Pte Ton Crne) Identification of AKB 48 and 5F AKB 48 Metabolites in Authentic Human Urine Samples Using Human Liver Microsomes and Time of Fli