发明人张德明,胡光,刘建华. "Method for the Synthesis of 1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic Acid" [P]. 中国发明专利, 专利号 CN 116545719 B, 授权公告日 2016-12-11.
发明人马晓峰,林芳,唐晓军. "A Process for Preparing High-Purity 1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic Acid" [P]. 中国发明专利, 专利号 CN 114611426 A, 授权公告日 2021-01-03.
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