Methyl 5-cyano-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylate
4-Cyano-3-(fluoromethyl)-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Methyl 4-cyano-5-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate
2-Cyano-3-(difluoromethyl)-6-methyl-5-(trifluoromethoxy)pyridine