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