发明人王建平,李文辉,黄志刚. "Method for the Synthesis of 1,4-bis(tert-butoxycarbonyl)-5,5-dimethyl-piperazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109687122 A, 授权公告日 2021-01-26.
发明人韩伟,周伟,郭海燕. "A Process for Preparing High-Purity 1,4-bis(tert-butoxycarbonyl)-5,5-dimethyl-piperazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108369702 A, 授权公告日 2022-04-02.
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