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