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