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