Ethyl 4-cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylate
3-Chloro-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 4-cyano-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylate
Methyl 3-cyano-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate