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