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