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