5-Bromo-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Chloro-4-fluoro-2-iodo-6-(trifluoromethoxy)pyridine
4-Chloro-2-fluoro-3-iodo-5-(trifluoromethoxy)pyridine
3-Chloro-2-fluoro-6-iodo-4-(trifluoromethoxy)pyridine
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