3-Bromo-5-(chloromethyl)-4-iodo-2-(trifluoromethoxy)pyridine
4-Amino-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetonitrile
5-Bromo-4-(chloromethyl)-2-iodo-3-(trifluoromethoxy)pyridine
4-Amino-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid