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