Ethyl 3-cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
2-Fluoro-6-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
Ethyl 6-cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
4-Cyano-6-hydroxy-3-(trifluoromethoxy)pyridine-2-acetonitrile