2-(Difluoromethyl)-3-fluoro-5-nitropyridine-6-carboxaldehyde
3-(Difluoromethyl)-2-methoxy-5-nitropyridine-6-sulfonyl chloride
4-Amino-2-(chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-(difluoromethyl)-3-hydroxy-6-iodopyridine