6-METHOXY-2,3-DIOXYINDOLE 6-METHYL ISATINIC ANHYDRIDE 6-Chloroisatin 6-Bromoisatin 6-Nitroisatin 6-FLUOROISATIN 6-Methyl-1H-indole-2,3-dione 6-Fluoroindoline-2,3-dione 7-CHLOROISATIN 7-NITROISATIN 7-isopropoxyindoline-2,3-dione 7-METHYL-5-METHOXY ISATIN 7-methoxyindoline-2,3-dione 7-METHYL-1H-INDOLE-2,3-DIONE 7-BROMO-1H-INDOLE-2,3-DIONE 7-Fluoroisatin