label: 1-BENZYL 7-METHYL 6-(4-METHYLBENZENESULFONYL)-4,5-DIOXO-3H,4H,5H,6H-PYRROLO(3,2-E)INDOLE-1,7-DICARBOXYLATE
label_lc: 1-benzyl 7-methyl 6-(4-methylbenzenesulfonyl)-4,5-dioxo-3h,4h,5h,6h-pyrrolo(3,2-e)indole-1,7-dicarboxylate