发明人林芳,刘建华,孙丽萍. "Method for the Synthesis of 5-Hydroxy-1,2-dimethyl-1H-indole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114890239 A, 授权公告日 2019-11-22.
发明人郭海燕,郑宇鹏,周伟. "A Process for Preparing High-Purity 5-Hydroxy-1,2-dimethyl-1H-indole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 111373634 A, 授权公告日 2019-06-27.
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