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