2-Bromo-4-methoxy-3-(trifluoromethoxy)pyridine-6-acetic acid
4-Bromo-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
3-Chloro-2-hydroxy-5-methoxy-4-(trifluoromethoxy)pyridine
4-Bromo-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-methanol