STS-135 is a designer drug purported to be found in herbal blends. This compound features the fluoropentylindole structure of AM2201, a synthetic cannabinoid (CB), as well as an adamantyl carboxamide group, which may increase affinity for the peripheral CB2 receptor. The physiological and toxicological properties of STS-135 are not known. This product is intended for research and forensic applications.
