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发明人陈志强,郑宇鹏,唐晓军. "A Process for Preparing High-Purity 1,7-Dioxaspiro[4.4]non-2-en-4-one" [P]. 中国发明专利, 专利号 CN 110403313 B, 授权公告日 2025-08-18.
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