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