4-(Bromomethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-3-acetic acid
6-(Chloromethyl)-4-fluoro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-(Bromomethyl)-4-fluoro-6-(trifluoromethoxy)pyridine-2-acetic acid
4-(Chloromethyl)-5-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine