ethyl 3-ethyl-2-hydroxy-4-propyl-6-(2-thienyl)-benzoate

ethyl 3-ethyl-2-hydroxy-4-(2-thienyl)-6-(trifluoromethyl)-benzoate

ethyl 3-ethyl-4-(2-furanyl)-2-hydroxy-6-(trifluoromethyl)-benzoate

ethyl 4-ethyl-6-fluoro-3-hydroxy-2',5-dimethylbiphenyl-2-carboxylate

ethyl 2'-chloro-4-ethyl-6-fluoro-3-hydroxy-5-methylbiphenyl-2-carboxylate