发明人徐明华,王建平,刘建华. "Method for the Synthesis of (S,E)-3-Ethylidenehexahydropyrrolo[1,2-a]pyrazine-1,4-dione" [P]. 中国发明专利, 专利号 CN 110037560 B, 授权公告日 2019-07-14.
发明人徐明华,林芳,王建平. "A Process for Preparing High-Purity (S,E)-3-Ethylidenehexahydropyrrolo[1,2-a]pyrazine-1,4-dione" [P]. 中国发明专利, 专利号 CN 116529702 B, 授权公告日 2023-08-04.
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