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