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