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