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