5-Cyano-2-methyl-3-(trifluoromethoxy)pyridine-6-carboxylic acid
Ethyl 4-cyano-6-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Cyano-3-methyl-6-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 5-cyano-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate