2-Fluoro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Fluoro-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
3-(Difluoromethyl)-2-hydroxy-5-methyl-6-(trifluoromethoxy)pyridine
2-Fluoro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylic acid