发明人赵玉洁,钱学锋,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116970748 A, 授权公告日 2019-05-14.
发明人何建平,赵玉洁,李文辉. "Method for the Synthesis of rel-(2S)-3-[(4R)-2,5-dioxoimidazolidin-4-yl]-2-methyl-propanoic acid" [P]. 中国发明专利, 专利号 CN 112952829 A, 授权公告日 2018-06-15.
发明人周伟,黄志刚,孙丽萍. "A Process for Preparing High-Purity rel-(2S)-3-[(4R)-2,5-dioxoimidazolidin-4-yl]-2-methyl-propanoic acid" [P]. 中国发明专利, 专利号 CN 113823812 A, 授权公告日 2019-06-16.
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