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