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