Methyl 3-chloro-2-cyano-4-(difluoromethyl)pyridine-6-carboxylate
3-(Bromomethyl)-4-chloro-6-(difluoromethyl)-2-hydroxypyridine
Methyl 2-chloro-6-cyano-3-(difluoromethyl)pyridine-5-carboxylate
Methyl 4-bromo-5-(bromomethyl)-2-(difluoromethyl)pyridine-3-acetate