3-Cyano-4-hydroxy-6-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 5-chloro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 3-chloro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-chloro-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylate