A selective, active-site directed, irreversible inhibitor of cPLA2 and iPLA2; inhibits A23187-induced arachidonic acid release from human platelets (IC50 = 0.6 μM) and iPLA2 release from P388D1 cells (IC50 = 0.5 μM); a potent inhibitor of FAAH (IC50 = 2.5 nM); binds to the CB1 receptor in rat brain membrane preparations(IC50 = 20 nM)