发明人赵玉洁,朱建伟,孙丽萍. "Method for the Synthesis of tert-Butyl 2-(2-ethoxy-2-oxoethyl)-3-oxopiperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 113021609 A, 授权公告日 2022-12-02.
Björnsson E, Mueller T C, Nielsen H. "A Process for Preparing High-Purity tert-Butyl 2-(2-ethoxy-2-oxoethyl)-3-oxopiperazine-1-carboxylate" [P]. European Patent, EP 3444209 A1, 2022-06-23.
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