3-Bromo-4-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Bromo-6-cyano-5-(trifluoromethoxy)pyridine-3-acetic acid
2-Bromo-6-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
6-Bromo-3-cyano-2-(trifluoromethoxy)pyridine-4-acetic acid
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