JWH 018 is a synthetic cannabinoid (CB) that potently activates the central CB1 and peripheral CB2 receptors (Ki = 9.0 and 2.94 nM, respectively). This cannabimimetic compound has frequently been found in herbal blends. JWH 018 2’-naphthyl isomer differs structurally from JWH 018 by having the naphthyl group attached at the 2’ position. The biological activities of this compound have not been characterized.