发明人朱建伟,胡光,马晓峰. "Method for the Synthesis of 8-Ethyl-1,3-diazaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 114941545 A, 授权公告日 2016-06-19.
发明人林芳,冯建国,朱建伟. "A Process for Preparing High-Purity 8-Ethyl-1,3-diazaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 108128398 B, 授权公告日 2024-12-17.
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