5416-22-8
3,6-dibromo-1-nitro-9H-carbazole
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77-78-1
硫酸二甲酯
→
64032-85-5
3,6-dibromo-9-methyl-1-nitrocarbazole
86-74-8
咔唑
31438-22-9
1-硝基-9H-咔唑
6825-20-3
3,6-二溴咔唑