发明人张德明,唐晓军,刘建华. "Method for the Synthesis of Betacarotene impurity 8" [P]. 中国发明专利, 专利号 CN 115999624 A, 授权公告日 2017-02-04.
发明人徐明华,冯建国,陈志强. "A Process for Preparing High-Purity Betacarotene impurity 8" [P]. 中国发明专利, 专利号 CN 115469528 A, 授权公告日 2025-12-22.
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