1H-Indole-2,3-dione, 5,7-dimethyl- (9CI) 39603-24-2 5,7-Dimethyl-1H-indole-2,3-dione 5,7-Dimethyl-indole-2,3-dione 5,7-Dimethylisatin 5-21-11-00201 (Beilstein Handbook Reference) BRN 0143679 INDOLE-2,3-DIONE, 5,7-DIMETHYL-