发明人张德明,孙丽萍,黄志刚. "Method for the Synthesis of 4-Ethoxy-1H-indole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 115795556 B, 授权公告日 2021-08-05.
发明人朱建伟,何建平,周伟. "A Process for Preparing High-Purity 4-Ethoxy-1H-indole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114614361 B, 授权公告日 2015-11-09.
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