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