3-(Chloromethyl)-2-cyano-4-(trifluoromethoxy)pyridine-5-carboxylic acid
6-(Chloromethyl)-2-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
3-Fluoro-4-iodo-5-(trifluoromethoxy)pyridine-2-methanol
6-(Chloromethyl)-2-cyano-4-(trifluoromethoxy)pyridine-3-carboxylic acid