JWH 020 is a cannabimimetic indole derived from WIN 55,212-1. Its affinities for the cannabinoid (CB) receptors CB1 and CB2 (128 and 205 nM, respectively) are significantly weaker than those of WIN 55,212-2 (1.89 and 0.28 nM, respectively). The effects of JWH 020 in vivo have not been explored.
