Methyl 3-(difluoromethyl)-4-nitropyridine-5-carboxylate
Methyl 3-(chloromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetate
4-Bromo-3-(difluoromethyl)-2-(fluoromethyl)pyridine
Methyl 3-(chloromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-acetate