Methyl 5-bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-carboxylate
Methyl 2-bromo-5-(difluoromethyl)-6-nitropyridine-3-acetate
5-Bromo-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-acetic acid
Ethyl 5-bromo-2-(difluoromethyl)-3-nitropyridine-6-acetate