Ethyl 2-(aminomethyl)-3-(difluoromethyl)pyridine-5-carboxylate
Ethyl 6-bromo-2-(difluoromethyl)pyridine-3-acetate
3-(Chloromethyl)-5-(difluoromethyl)-2-iodopyridine
3-(Chloromethyl)-4-(difluoromethyl)-2-iodopyridine
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