发明人郑宇鹏,陈志强,朱建伟. "Method for the Synthesis of 4-Methoxy-1-methyl-1h-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114262440 A, 授权公告日 2019-07-12.
发明人张德明,徐明华,刘建华. "A Process for Preparing High-Purity 4-Methoxy-1-methyl-1h-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112182756 A, 授权公告日 2018-08-03.
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