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