发明人高志强,郭海燕,黄志刚. "Method for the Synthesis of 1-(4-Methylpyridin-2-yl)-1H-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114854805 A, 授权公告日 2016-10-18.
发明人王建平,郭海燕,孙丽萍. "A Process for Preparing High-Purity 1-(4-Methylpyridin-2-yl)-1H-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114635318 B, 授权公告日 2021-12-05.
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