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