3-Cyano-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Cyano-6-methyl-3-(trifluoromethoxy)pyridine-5-acetic acid
3-Cyano-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Cyano-6-methyl-3-(trifluoromethoxy)pyridine-4-methanol