Notes: 5-fluoro PB-22 is a synthetic cannabinoid that is an analog of potent 5-fluoropentyl JWH-type cannabimimetics. 5-fluoro PB-22 5-hydroxyisoquinoline isomer differs from 5-fluoro PB-22 by having the quinoline group replaced with an isoquinoline group attached at its five position. The physiological and pharmacological properties of this isomer have not been investigated. This product is intended for forensic and research purposes.