4-Bromo-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
5-Bromo-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetonitrile
4-Chloro-3-cyano-6-(trifluoromethoxy)pyridine-2-acetic acid
4-Bromo-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile