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