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