4-(Chloromethyl)-5-cyano-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Cyano-5-(fluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine
2-Cyano-3-methoxy-6-(trifluoromethoxy)pyridine-5-sulfonamide
3-Cyano-4-(fluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine