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