AM404 是一种内源性大麻素再摄取抑制剂，可阻断 anandamide 转运，IC50 值在低微摩尔范围。去氧肾上腺素使大鼠离体肝动脉收缩，AM404 可使其放松，pEC50 值为 7.4 (对应的 EC50 值为 0.04 µM)。具有神经保护作用。 AM404, an inhibitor of endocannabinoid reuptake, blocks anandamide transport with IC50 values in the low micromolar range. AM404 is able to relax rat isolated hepatic arteries contracted with Phenylephrine, with a pEC50 value of 7.4 (corresponding to an EC50 of 0.04 µM). Neuroprotective Effect.