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