4-Cyano-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxylic acid
Ethyl 4-cyano-3-methyl-5-(trifluoromethoxy)pyridine-2-carboxylate
4-Cyano-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-carboxylic acid
4-Cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxylic acid