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