6-Bromo-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Bromo-3-methyl-4-(trifluoromethoxy)pyridine-6-sulfonamide
3-Bromo-4-nitro-2-(trifluoromethoxy)pyridine-6-acetonitrile
2-Bromo-6-nitro-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
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