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