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