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