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