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