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