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