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