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