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