发明人周伟,杨光,赵玉洁. "Method for the Synthesis of Sodium (Z)-1,4-diethoxy-1,4-dioxobut-2-en-2-olate" [P]. 中国发明专利, 专利号 CN 115503581 B, 授权公告日 2021-04-11.
发明人刘建华,张德明,胡光. "A Process for Preparing High-Purity Sodium (Z)-1,4-diethoxy-1,4-dioxobut-2-en-2-olate" [P]. 中国发明专利, 专利号 CN 108781544 A, 授权公告日 2017-11-18.
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