4-Chloro-2-(difluoromethyl)pyridine-3-carbonyl chloride
3-Chloro-2-(difluoromethyl)pyridine-4-sulfonyl chloride
5-Chloro-4-(difluoromethyl)pyridine-2-carbonyl chloride
2-Chloro-6-(difluoromethyl)pyridine-4-sulfonyl chloride
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