发明人罗永刚,韩伟,杨光. "Method for the Synthesis of 5-Ethyl-3-isopropyloxazolidin-2-one" [P]. 中国发明专利, 专利号 CN 111569916 B, 授权公告日 2019-01-05.
发明人唐晓军,冯建国,杨光. "A Process for Preparing High-Purity 5-Ethyl-3-isopropyloxazolidin-2-one" [P]. 中国发明专利, 专利号 CN 116554770 A, 授权公告日 2019-08-02.
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