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