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