发明人黄志刚,郭海燕,徐明华. "Method for the Synthesis of 7-Oxa-1,3-diazaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 115432697 A, 授权公告日 2020-05-18.
发明人陈志强,赵玉洁,郑宇鹏. "A Process for Preparing High-Purity 7-Oxa-1,3-diazaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 108706306 B, 授权公告日 2015-10-17.
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