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