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