3-(Difluoromethyl)-6-iodo-4-methylpyridine-2-sulfonamide
4-(Difluoromethyl)-5-iodo-3-methylpyridine-2-sulfonamide
Methyl 3-(bromomethyl)-6-(difluoromethyl)-2-iodopyridine-4-carboxylate
Methyl 4-(bromomethyl)-2-(difluoromethyl)-5-iodopyridine-3-carboxylate