发明人刘建华,韩伟,张德明. "Method for the Synthesis of Indophenol" [P]. 中国发明专利, 专利号 CN 111863195 A, 授权公告日 2020-02-06.
发明人刘建华,王建平,李文辉. "A Process for Preparing High-Purity Indophenol" [P]. 中国发明专利, 专利号 CN 117117762 B, 授权公告日 2023-04-26.
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