6-Bromo-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Bromo-2-(chloromethyl)-4-nitro-5-(trifluoromethoxy)pyridine
6-Bromo-2-(chloromethyl)-4-nitro-3-(trifluoromethoxy)pyridine
2-Bromo-6-(chloromethyl)-3-nitro-4-(trifluoromethoxy)pyridine
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