3-Bromo-2-(chloromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Chloro-6-cyano-3-nitro-2-(trifluoromethoxy)pyridine
4-Bromo-3-(chloromethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4-Bromo-6-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine