3-Cyano-5-(difluoromethyl)-2-hydroxypyridine-4-sulfonamide
6-Chloro-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-acetonitrile
Ethyl 5-chloro-2-(chloromethyl)-3-(difluoromethyl)pyridine-4-acetate
5-Chloro-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-methanol