2-Chloro-3-(difluoromethyl)-5-iodopyridine
4-Chloro-2-(difluoromethyl)pyridine-5-carboxaldehyde
4-Chloro-2-cyano-5-(difluoromethyl)pyridine
3-Chloro-5-cyano-4-(difluoromethyl)pyridine
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