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