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