发明人马晓峰,钱学锋,刘建华. "Method for the Synthesis of Tert-butyl 4-((2-chloroethyl)carbamoyl)-1-thia-4,8-diazaspiro[4.5]Decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 113096161 A, 授权公告日 2022-05-07.
发明人何建平,林芳,李文辉. "A Process for Preparing High-Purity Tert-butyl 4-((2-chloroethyl)carbamoyl)-1-thia-4,8-diazaspiro[4.5]Decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 117837472 A, 授权公告日 2024-05-12.
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