发明人徐明华,朱建伟,罗永刚. "Method for the Synthesis of tert-Butyl 2-imino-2λ6-thia-6-azaspiro[3.3]heptane-6-carboxylate 2-oxide" [P]. 中国发明专利, 专利号 CN 111627294 B, 授权公告日 2018-05-14.
发明人马晓峰,王建平,刘建华. "A Process for Preparing High-Purity tert-Butyl 2-imino-2λ6-thia-6-azaspiro[3.3]heptane-6-carboxylate 2-oxide" [P]. 中国发明专利, 专利号 CN 114959486 B, 授权公告日 2025-01-06.
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