Ethyl 6-cyano-4-(difluoromethyl)-2-hydroxypyridine-3-carboxylate
2-Cyano-6-(difluoromethyl)-3-fluoropyridine-5-acetonitrile
Ethyl 2-cyano-3-(difluoromethyl)-5-hydroxypyridine-4-carboxylate
6-(Aminomethyl)-2-chloro-3-(difluoromethyl)pyridine-4-carboxaldehyde