发明人张德明,韩伟,刘建华. "Method for the Synthesis of 4-Hydroxy-7-methylisobenzofuran-1,3-dione" [P]. 中国发明专利, 专利号 CN 109536173 B, 授权公告日 2023-05-26.
发明人马晓峰,李文辉,陈志强. "A Process for Preparing High-Purity 4-Hydroxy-7-methylisobenzofuran-1,3-dione" [P]. 中国发明专利, 专利号 CN 108684103 B, 授权公告日 2015-10-07.
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