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