1,2-dimethyl-3-(isoquinolin-1-yloxymethyl)-5-methoxy-1H-indole-4,7-dione

1,2-dimethyl-3-formyl-5-methoxyindole-4,7-dione

(4-amino-5-methoxy-1,2-dimethyl-1H-indol-3-yl)methanol

methyl 4-(benzyloxy)-5-methoxyindole-2-carboxylate

xanthate 4-(benzyloxy)-5-methoxy-1-methylindole-2-methanol