3-(Aminomethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-2-acetic acid
2-(Chloromethyl)-5-fluoro-3-methyl-6-(trifluoromethoxy)pyridine
5-(Aminomethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-4-acetic acid
2-(Chloromethyl)-4-fluoro-6-methyl-3-(trifluoromethoxy)pyridine