5-(Bromomethyl)-4-(difluoromethyl)pyridine-2-carboxaldehyde
3-(Bromomethyl)-2-(difluoromethyl)pyridine-6-carboxaldehyde
6-Cyano-2-(difluoromethyl)-3-nitropyridine
6-(Bromomethyl)-2-(difluoromethyl)pyridine-3-carboxaldehyde
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