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