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