Ethyl 2-hydroxy-3-iodo-4-(trifluoromethoxy)pyridine-5-carboxylate
6-Cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Fluoro-5-hydroxy-4-iodo-3-(trifluoromethoxy)pyridine
2-Cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid