发明人林芳,杨光,张德明. "一种2-(4,7-二氯-3-吲哚基)-2-氧代乙酸的合成方法" [P]. 中国发明专利, 专利号 CN 110592935 A, 授权公告日 2015-03-14.
发明人韩伟,高志强,朱建伟. "Method for the Synthesis of 2-(4,7-Dichloro-3-indolyl)-2-oxoacetic Acid" [P]. 中国发明专利, 专利号 CN 111695505 A, 授权公告日 2022-05-02.
发明人何建平,孙丽萍,李文辉. "A Process for Preparing High-Purity 2-(4,7-Dichloro-3-indolyl)-2-oxoacetic Acid" [P]. 中国发明专利, 专利号 CN 112143872 A, 授权公告日 2015-08-01.
参考文献 Literature
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