发明人沈红梅,刘建华,黄志刚. "Method for the Synthesis of 2-(5-Nitro-1H-indazol-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116886216 B, 授权公告日 2024-10-18.
发明人何建平,杨光,罗永刚. "A Process for Preparing High-Purity 2-(5-Nitro-1H-indazol-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 117026084 A, 授权公告日 2017-10-26.
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