4-Chloro-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
5-Chloro-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
4-Chloro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-2-methanol
Ethyl 4-chloro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetate