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