Methyl 4-amino-2-bromo-5-(difluoromethyl)pyridine-3-carboxylate
3-Amino-5-(chloromethyl)-2-cyano-4-(difluoromethyl)pyridine
Methyl 2-amino-5-bromo-6-(difluoromethyl)pyridine-3-carboxylate
5-Amino-3-bromo-2-(difluoromethyl)pyridine-4-acetic acid
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