2-Bromo-6-chloro-3-nitro-4-(trifluoromethoxy)pyridine
6-Bromo-3-chloro-4-nitro-2-(trifluoromethoxy)pyridine
2-Bromo-5-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylic acid
6-Bromo-4-fluoro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
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