发明人周伟,刘建华,沈红梅. "Method for the Synthesis of 7-Hydroxy-1-methylindoline-2,3-dione" [P]. 中国发明专利, 专利号 CN 116997887 B, 授权公告日 2018-07-06.
发明人郭海燕,刘建华,钱学锋. "A Process for Preparing High-Purity 7-Hydroxy-1-methylindoline-2,3-dione" [P]. 中国发明专利, 专利号 CN 115433404 B, 授权公告日 2015-01-15.
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