Ethyl 4-chloro-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-chloro-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-chloro-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Chloro-3-iodo-6-(trifluoromethoxy)pyridine-2-acetonitrile