英文名称: | benzenesulfonic acid, 4-(1,4-dihydro-6-hydroxy-2,7-dimethoxy-1,4-dioxo-9h-carba | zol-9-yl)- | 4-(1,4-dihydro-6-hydroxy-2,7-dimethoxy-1,4-dioxo-9h-carbazol-9-yl)benzen esul | 4-(1,4-dihydro-6-hydroxy-2,7-dimethoxy-1,4-dioxo-9h-carbazol-9-yl)-benzenesulfonic aci |
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