2-Bromo-5-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Bromo-5-nitro-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-Chloro-3-cyano-2-(trifluoromethoxy)pyridine-4-acetic acid
4-Bromo-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
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