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