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