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