Ethyl 2-(aminomethyl)-5-(difluoromethyl)pyridine-4-acetate
2-(Bromomethyl)-4-(difluoromethyl)pyridine-6-acetonitrile
Ethyl 4-(chloromethyl)-3-(difluoromethyl)pyridine-2-acetate
Ethyl 2-(aminomethyl)-4-(difluoromethyl)pyridine-5-acetate
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