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