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