Ethyl 2-chloro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-6-acetate
Ethyl 2-chloro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetate
Ethyl 3-chloro-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 3-chloro-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-5-acetate