发明人何建平,冯建国,韩伟. "Method for the Synthesis of Indazole-3-carboxylic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 114887414 B, 授权公告日 2015-09-13.
发明人杨光,沈红梅,黄志刚. "A Process for Preparing High-Purity Indazole-3-carboxylic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 112759215 B, 授权公告日 2018-08-20.
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