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