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