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