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