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