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