5-Amino-2-bromo-3-(difluoromethyl)pyridine-4-carboxaldehyde
5-Amino-4-bromo-3-(difluoromethyl)pyridine-2-carboxaldehyde
6-Amino-4-(bromomethyl)-2-chloro-3-(difluoromethyl)pyridine
3-Amino-4-(chloromethyl)-2-(difluoromethyl)-6-fluoropyridine
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