2-Amino-3-(bromomethyl)-4-(difluoromethyl)pyridine-5-carboxaldehyde
5-Amino-2-(bromomethyl)-4-(difluoromethyl)pyridine-3-methanol
Ethyl 3-amino-2-(aminomethyl)-6-(difluoromethyl)pyridine-4-acetate
3-Amino-6-(bromomethyl)-4-(difluoromethyl)pyridine-2-methanol