发明人刘建华,陈志强,孙丽萍. "Method for the Synthesis of Ethyl Acetoacetate Impurity 2" [P]. 中国发明专利, 专利号 CN 109547535 B, 授权公告日 2018-06-22.
发明人高志强,孙丽萍,朱建伟. "A Process for Preparing High-Purity Ethyl Acetoacetate Impurity 2" [P]. 中国发明专利, 专利号 CN 112675078 A, 授权公告日 2025-03-06.
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