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