5-Cyano-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid
4-Fluoro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carboxylic acid
3-Fluoro-2-methoxy-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Cyano-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxylic acid