发明人罗永刚,赵玉洁,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113798118 A, 授权公告日 2017-02-01.
发明人郑宇鹏,钱学锋,周伟. "Method for the Synthesis of 3-((2,5-Dioxopyrrolidin-1-yl)thio)propanenitrile" [P]. 中国发明专利, 专利号 CN 111557006 B, 授权公告日 2022-08-11.
发明人郭海燕,朱建伟,何建平. "A Process for Preparing High-Purity 3-((2,5-Dioxopyrrolidin-1-yl)thio)propanenitrile" [P]. 中国发明专利, 专利号 CN 115177260 A, 授权公告日 2024-11-13.
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