2-(Chloromethyl)-4-(difluoromethyl)-3-fluoropyridine-6-carboxaldehyde
4-Chloro-5-fluoro-3-(trifluoromethoxy)pyridine-2-sulfonamide
3-Bromo-6-fluoro-2-mercaptopyridine
Ethyl 2-(bromomethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate