3,5,8(2H)-ISOQUINOLINETRIONE, 2,6-DIMETHYL-7-METHOXY- 5-21-13-00478 (Beilstein Handbook Reference) 59493-94-6 7-Methoxy-2,6-dimethyl-3,5,8(2H)-isoquinolinetrione BRN 0404588 Mimosamycin