LEI110 is a potent, selective and cell-permeable pan-inhibitor of the HRASLS family of thiol hydrolases . LEI110 inhibits PLA2G16 , HRASLS2 , RARRES3 and iNAT , with pIC 50 values of 7.0, 6.8, 6.8, and 7.6, respectively. LEI110 reduces cellular arachidonic acid levels and oleic acid-induced lipolysis in HepG2 cells.