6-Chloro-3-cyano-2-(difluoromethyl)-4-hydroxypyridine
Ethyl 3-bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine-6-acetate
3-Bromo-6-(difluoromethyl)-4-iodopyridine-2-sulfonyl chloride
5-Bromo-2-(difluoromethyl)-3-iodopyridine-6-sulfonyl chloride
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