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