3-Bromo-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Bromo-6-(chloromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine
3-Bromo-4-nitro-2-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Chloro-6-fluoro-2-methoxy-4-(trifluoromethoxy)pyridine
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