发明人杨光,郑宇鹏,李文辉. "Method for the Synthesis of 4-ethyl-2,3-dihydro-1H-imidazol-2-one" [P]. 中国发明专利, 专利号 CN 109816908 A, 授权公告日 2020-08-24.
发明人陈志强,罗永刚,赵玉洁. "A Process for Preparing High-Purity 4-ethyl-2,3-dihydro-1H-imidazol-2-one" [P]. 中国发明专利, 专利号 CN 110229244 A, 授权公告日 2017-06-22.
参考文献 Literature
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