3-Chloro-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Chloromethyl)-4-cyano-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 5-cyano-4-fluoro-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-cyano-2-fluoro-6-(trifluoromethoxy)pyridine-5-acetate