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