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发明人唐晓军,李文辉,黄志刚. "Method for the Synthesis of 2-Chloro-1-(2-thia-7-azaspiro[4.4]nonan-7-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 111287161 A, 授权公告日 2023-03-01.
发明人罗永刚,林芳,李文辉. "A Process for Preparing High-Purity 2-Chloro-1-(2-thia-7-azaspiro[4.4]nonan-7-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 110266882 B, 授权公告日 2023-12-10.
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