发明人刘建华,张德明,黄志刚. "Method for the Synthesis of 7-Nitro-2-phenyl-1H-indole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109712593 A, 授权公告日 2025-05-22.
发明人李文辉,罗永刚,高志强. "A Process for Preparing High-Purity 7-Nitro-2-phenyl-1H-indole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110445387 A, 授权公告日 2016-03-11.
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