4-Bromo-3-cyano-6-(trifluoromethoxy)pyridine-2-acetic acid
2-Bromo-3-iodo-6-methoxy-4-(trifluoromethoxy)pyridine
2-Bromo-4-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Bromo-2-cyano-6-(trifluoromethoxy)pyridine-3-acetic acid
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