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