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