6-(Chloromethyl)-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxylic acid
6-(Chloromethyl)-4-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-cyano-4-(trifluoromethoxy)pyridine-2-acetonitrile
5-(Chloromethyl)-4-cyano-2-(trifluoromethoxy)pyridine-3-acetonitrile