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