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