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