Potent endocannabinoid transport inhibitor. IC 50 values are 0.8 and 30 μ M for inhibition of the anandamide transporter and FAAH respectively. K i values are 4700, 67 and > 5000 nM for CB 1 , CB 2 and VR1 receptors respectively. Potentiates hypokinetic and antinociceptive effects of anandamide in vivo .