Methyl 3-bromo-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate
4-Bromo-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-methanol
5-Bromo-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
4-Bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid