4-Cyano-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
5-Cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxaldehyde
6-(Bromomethyl)-2-fluoro-3-methyl-4-(trifluoromethoxy)pyridine