2-Bromo-4-nitro-3-(trifluoromethoxy)pyridine-6-acetic acid
5-Bromo-2-(chloromethyl)-4-nitro-3-(trifluoromethoxy)pyridine
5-Bromo-2-methoxy-3-methyl-6-(trifluoromethoxy)pyridine
4-Bromo-3-(chloromethyl)-5-nitro-2-(trifluoromethoxy)pyridine
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