5-(Chloromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetic acid
4-(Chloromethyl)-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetic acid
5-(Bromomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxaldehyde
4-(Chloromethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetic acid