2-Bromo-5-chloro-4-hydroxy-3-(trifluoromethoxy)pyridine
6-Bromo-3-fluoro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
5-Amino-2-methyl-3-(trifluoromethoxy)pyridine-4-sulfonamide
2-Bromo-5-fluoro-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
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