Ethyl 3-amino-4-(aminomethyl)-2-(difluoromethyl)pyridine-6-acetate
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