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