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