发明人唐晓军,黄志刚,李文辉. "Method for the Synthesis of 4-Hydroxy-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112711864 B, 授权公告日 2025-04-08.
发明人刘建华,徐明华,赵玉洁. "A Process for Preparing High-Purity 4-Hydroxy-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112036019 A, 授权公告日 2017-06-23.
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