Methyl 3-chloro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-chloro-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-chloro-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Chloro-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetic acid