cannabinoid derived from the carbazole-3-carboxamide family, which has been used as an active ingredient in synthetic cannabis products and has been marketed as a research chemical. 5F-ADB is an effective The agonist.CB1 receptor, although it is not known whether it is selective for this target. It was first identified in the autopsy of chemical researchers in November 2014. 5F-ADB is considered to be very effective, based on the detected Very low levels.