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