Methyl 2-chloro-6-fluoro-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 6-chloro-3-fluoro-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 2-chloro-5-fluoro-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 4-chloro-3-cyano-5-(trifluoromethoxy)pyridine-2-acetate