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