发明人韩伟,罗永刚,胡光. "一种1-(2-乙氧基-2-氧代乙基)-1H-吲哚-2-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 108974237 A, 授权公告日 2020-03-09.
发明人郑宇鹏,陈志强,张德明. "Method for the Synthesis of 1-(2-Ethoxy-2-oxoethyl)-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112699424 B, 授权公告日 2025-02-10.
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