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