3-(Difluoromethyl)-6-hydroxy-2-iodo-5-(trifluoromethoxy)pyridine
6-Cyano-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid
5-(Difluoromethyl)-2-hydroxy-3-iodo-6-(trifluoromethoxy)pyridine
4-Cyano-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid