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