发明人李文辉,罗永刚,钱学锋. "Method for the Synthesis of 3-((4-Fluorophenyl)diazenyl)-1-phenyl-1H-indol-2-ol" [P]. 中国发明专利, 专利号 CN 111339925 B, 授权公告日 2015-07-17.
发明人冯建国,何建平,张德明. "A Process for Preparing High-Purity 3-((4-Fluorophenyl)diazenyl)-1-phenyl-1H-indol-2-ol" [P]. 中国发明专利, 专利号 CN 109058229 A, 授权公告日 2020-06-01.
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