5-(Difluoromethyl)-4-iodopyridine-2-carboxylic acid
3-(Bromomethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-(Bromomethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-(Difluoromethyl)-2-iodopyridine-6-carboxylic acid