5-Bromo-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Bromo-5-chloro-4-iodo-2-(trifluoromethoxy)pyridine
5-Amino-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
4-Bromo-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid