3-Chloro-6-methyl-2-(trifluoromethoxy)pyridine-4-sulfonamide
6-Chloro-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Chloro-5-methyl-2-(trifluoromethoxy)pyridine-3-sulfonamide
2-Chloro-3-hydroxy-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride