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