4-Amino-5-bromo-2-chloro-3-(difluoromethyl)pyridine
6-Amino-3-cyano-2-(difluoromethyl)pyridine-4-carboxaldehyde
Methyl 2-amino-5-(difluoromethyl)-4-iodopyridine-3-carboxylate
Methyl 5-amino-4-(difluoromethyl)-3-iodopyridine-2-acetate
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