3-Chloro-2-(difluoromethyl)-5-fluoropyridine-6-sulfonyl chloride
2-Chloro-5-(difluoromethyl)-3-hydroxypyridine-4-methanol
6-Chloro-2-(difluoromethyl)-3-fluoropyridine-4-sulfonyl chloride
2-Chloro-4-(difluoromethyl)-6-hydroxypyridine-3-methanol
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