Potent and selective reversible MAGL inhibitor (IC50 = 46 nM). Exhibits 35-fold and 150-fold higher selectivity over human FAAH and ABHD6, respectively (IC50 values are 1.79 and 7.24 μM, respectively). Displays affinity for H1 receptors (pA2 = 6.81). Exhibits no activity at cannabinoid receptors at 10 μM. Purity 99%. MW (observed): 405.88