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