ADB-PINACA is an analog of AKB48 (aka APINACA; ), a synthetic cannabinoid recently identified in herbal products. Variations of ADB-PINACA have been synthesized including derivatives that include a fluorine atom added to the terminal carbon of the pentyl group. 5-fluoro ADB is an analog of a fluorinated ADB-PINACA derivative in which the terminal amide has been replaced with a methyl ester. The physiological and toxicological properties of this compound have not been determined. This product is intended for forensic and research applications.