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