3-Chloro-5-(difluoromethyl)-2-hydroxypyridine-4-carboxylic acid
Methyl 2-(difluoromethyl)-5-hydroxy-3-iodopyridine-6-acetate
Methyl 5-chloro-2-(difluoromethyl)-4-methoxypyridine-3-carboxylate
Methyl 3-amino-6-(bromomethyl)-2-(difluoromethyl)pyridine-5-acetate