发明人周伟,孙丽萍,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109421044 A, 授权公告日 2021-03-03.
Schröder R, Björnsson E, Martínez F. "Method for the Synthesis of 3-(2-Morpholino-2-oxoethyl)-1,3-diazaspiro[4.5]decane-2,4-dione" [P]. European Patent, EP 3853290 A1, 2016-06-15.
发明人王建平,罗永刚,郑宇鹏. "A Process for Preparing High-Purity 3-(2-Morpholino-2-oxoethyl)-1,3-diazaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 117731496 B, 授权公告日 2018-08-08.
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