Ethyl 4-(bromomethyl)-2-(difluoromethyl)pyridine-3-carboxylate
Ethyl 3-(bromomethyl)-4-(difluoromethyl)pyridine-2-carboxylate
3-(Chloromethyl)-4-(difluoromethyl)pyridine-5-acetonitrile
Ethyl 2-(bromomethyl)-6-(difluoromethyl)pyridine-3-carboxylate
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