3-Methoxy-5-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-(Chloromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
4-Amino-3-chloro-2-(chloromethyl)-6-(difluoromethyl)pyridine
2-(Bromomethyl)-6-(difluoromethyl)-3-iodopyridine