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