(E/Z)-GSK5182 (GSK5182(Z/E)) is a racemic mixture comprising (E)-GSK5182 and (Z)-GSK5182 isomers. It acts as a highly selective and orally active inverse agonist for the estrogen-related receptor gamma (ERRgamma), demonstrating potency with an IC50 of 79 nM. Additionally, GSK5182 is known to induce the generation of reactive oxygen species (ROS) in hepatocellular carcinoma.