发明人孙丽萍,赵玉洁,陈志强. "Method for the Synthesis of 1-Thia-3-azaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 108748062 A, 授权公告日 2017-07-06.
发明人黄志刚,郭海燕,朱建伟. "A Process for Preparing High-Purity 1-Thia-3-azaspiro[4.5]decane-2,4-dione" [P]. 中国发明专利, 专利号 CN 111070550 A, 授权公告日 2020-10-21.
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