发明人李文辉,赵玉洁,罗永刚. "Method for the Synthesis of 6,7-Dihydroxyisobenzofuran-1(3H)-one" [P]. 中国发明专利, 专利号 CN 116480612 A, 授权公告日 2022-04-15.
发明人郑宇鹏,周伟,胡光. "A Process for Preparing High-Purity 6,7-Dihydroxyisobenzofuran-1(3H)-one" [P]. 中国发明专利, 专利号 CN 111953192 B, 授权公告日 2019-11-11.
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