Ethyl 3-chloro-2-(difluoromethyl)-5-fluoropyridine-6-acetate
Methyl 3-bromo-5-(bromomethyl)-4-(difluoromethyl)pyridine-2-acetate
3-Chloro-6-(difluoromethyl)-2-hydroxy-5-(trifluoromethyl)pyridine
4-Bromo-6-(bromomethyl)-3-(difluoromethyl)pyridine-2-methanol