Ethyl 2-amino-3-chloro-5-(difluoromethyl)pyridine-6-carboxylate
4-Amino-3-bromo-2-(bromomethyl)-6-(difluoromethyl)pyridine
Methyl 5-amino-3-chloro-4-(difluoromethyl)pyridine-2-carboxylate
4-Amino-2-chloro-3-(difluoromethyl)pyridine-5-acetic acid
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