发明人沈红梅,杨光,赵玉洁. "Method for the Synthesis of trans-3'-Oxo-spiro[cyclohexane-1,1'(3'h)-isobenzofuran]-4-carboxylicacid" [P]. 中国发明专利, 专利号 CN 116418413 A, 授权公告日 2015-07-09.
发明人马晓峰,唐晓军,孙丽萍. "A Process for Preparing High-Purity trans-3'-Oxo-spiro[cyclohexane-1,1'(3'h)-isobenzofuran]-4-carboxylicacid" [P]. 中国发明专利, 专利号 CN 111056469 A, 授权公告日 2023-12-22.
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