label: 3,9-dibromo-12-(4-O-methylglucopyranosyl)-6,7.12,13-tetrahydroindolo(2,3-a)pyrrolo(3,4-c)carbazole-5,7-dione
label_lc: 3,9-dibromo-12-(4-o-methylglucopyranosyl)-6,7.12,13-tetrahydroindolo(2,3-a)pyrrolo(3,4-c)carbazole-5,7-dione