3-(Bromomethyl)-2-cyano-5-iodo-6-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-(difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine
Ethyl 2-cyano-5-methyl-6-(trifluoromethoxy)pyridine-3-acetate
Ethyl 2-cyano-5-methyl-4-(trifluoromethoxy)pyridine-3-acetate