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