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