4-Chloro-2-(difluoromethyl)-5-hydroxypyridine-3-sulfonyl chloride
4-Chloro-3-cyano-6-(difluoromethyl)pyridine-2-acetic acid
2-Chloro-5-(difluoromethyl)-4-hydroxypyridine-3-sulfonyl chloride
2-(Aminomethyl)-6-chloro-4-(difluoromethyl)pyridine-3-acetonitrile