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