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