发明人冯建国,马晓峰,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113854048 A, 授权公告日 2022-02-07.
发明人郑宇鹏,杨光,刘建华. "Method for the Synthesis of tert-Butyl 4-amino-1-benzyl-2-thia-1,8-diazaspiro[4.5]dec-3-ene-8-carboxylate 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 108188338 A, 授权公告日 2016-12-25.
发明人冯建国,马晓峰,何建平. "A Process for Preparing High-Purity tert-Butyl 4-amino-1-benzyl-2-thia-1,8-diazaspiro[4.5]dec-3-ene-8-carboxylate 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 115993580 B, 授权公告日 2022-06-12.
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