发明人高志强,周伟,徐明华. "Method for the Synthesis of 1-Ethyl-1H-indazole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114149286 A, 授权公告日 2019-03-09.
发明人何建平,杨光,黄志刚. "A Process for Preparing High-Purity 1-Ethyl-1H-indazole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114104729 A, 授权公告日 2020-11-18.
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