发明人周伟,陈志强,郑宇鹏. "Method for the Synthesis of 7-Hydroxy-2-methyl-5-nitro-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117203942 A, 授权公告日 2025-11-05.
发明人黄志刚,何建平,钱学锋. "A Process for Preparing High-Purity 7-Hydroxy-2-methyl-5-nitro-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117954048 A, 授权公告日 2022-01-06.
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