4-(Chloromethyl)-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-sulfonamide
4-(Chloromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-sulfonamide
4-(Chloromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-sulfonamide
4-(Chloromethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-sulfonamide