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