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