6-Cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Cyano-4-hydroxy-6-methyl-2-(trifluoromethoxy)pyridine
3-Cyano-4-hydroxy-2-methyl-6-(trifluoromethoxy)pyridine
2-Cyano-6-(difluoromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine