3-(Difluoromethyl)-6-iodo-2-nitro-5-(trifluoromethyl)pyridine
6-(Chloromethyl)-2-(difluoromethyl)-3-iodopyridine-4-methanol
5-(Chloromethyl)-3-(difluoromethyl)-2-iodopyridine-4-carboxylic acid
3-(Chloromethyl)-2-(difluoromethyl)-5-iodopyridine-4-carboxylic acid