2-Chloro-3-fluoro-6-(trifluoromethoxy)pyridine-4-acetic acid
4-(Aminomethyl)-2-bromo-6-(trifluoromethoxy)pyridine-3-acetic acid
3-(Aminomethyl)-5-bromo-6-(trifluoromethoxy)pyridine-2-acetic acid
2-Chloro-3-fluoro-4-(trifluoromethoxy)pyridine-6-acetic acid