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