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