发明人徐明华,郭海燕,沈红梅. "Method for the Synthesis of 4-chloro-1H-indazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117876193 B, 授权公告日 2024-03-23.
发明人朱建伟,刘建华,陈志强. "A Process for Preparing High-Purity 4-chloro-1H-indazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111933533 B, 授权公告日 2022-01-07.
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