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