Elacridar(GF120918; GW0918)是P-糖蛋白抑制剂,在体内外实验中常作为工具化合物。;Elacridar (GF120918; GW0918) is a P-glycoprotein inhibitor and has been used both in vitro and in vivo as a tool inhibitor of P-glycoprotein (Pgp) to investigate the role of transporters in the disposition of various test molecules. A prototypical BCRP (ABCG2) inhibitor.