2-Bromo-6-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid
4-Bromo-6-(chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4-Bromo-2-(chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine
6-Bromo-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetic acid