发明人王建平,刘建华,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110649744 A, 授权公告日 2025-01-25.
发明人黄志刚,林芳,陈志强. "Method for the Synthesis of 4-Ethynylindoline" [P]. 中国发明专利, 专利号 CN 110991778 B, 授权公告日 2020-09-27.
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