2-Bromo-6-(difluoromethyl)-3-fluoropyridine-5-acetic acid
4-Bromo-2-cyano-5-(difluoromethyl)pyridine-3-sulfonyl chloride
2-Bromo-5-(difluoromethyl)-6-fluoropyridine-3-acetic acid
3-Bromo-5-cyano-6-(difluoromethyl)pyridine-2-sulfonyl chloride
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