5-Amino-3-(bromomethyl)-2-(difluoromethyl)pyridine-4-carboxaldehyde
3-Amino-4-(bromomethyl)-5-(difluoromethyl)pyridine-2-carboxaldehyde
Methyl 3-amino-2-(aminomethyl)-4-(difluoromethyl)pyridine-6-carboxylate
Methyl 2-amino-6-(aminomethyl)-5-(difluoromethyl)pyridine-3-carboxylate