Methyl 5-amino-4-(chloromethyl)-2-(difluoromethyl)pyridine-3-carboxylate
4-Amino-3-bromo-2-(difluoromethyl)pyridine-5-carbonyl chloride
Ethyl 3-(bromomethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-2-acetate
5-(Difluoromethyl)-4-hydroxy-2-iodopyridine-3-carboxamide