4-(Bromomethyl)-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-sulfonyl chloride
4-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-sulfonyl chloride
4-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-sulfonyl chloride
4-(Bromomethyl)-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-sulfonyl chloride