发明人黄志刚,孙丽萍,张德明. "Method for the Synthesis of 2-Formyl-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108212972 A, 授权公告日 2016-11-01.
发明人杨光,韩伟,周伟. "A Process for Preparing High-Purity 2-Formyl-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117815758 A, 授权公告日 2023-03-26.
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