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