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