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发明人罗永刚,郭海燕,唐晓军. "Method for the Synthesis of tert-Butyl 6-thia-2,7-diazaspiro[3.4]octane-2-carboxylate 6,6-dioxide" [P]. 中国发明专利, 专利号 CN 113356677 A, 授权公告日 2020-08-15.
发明人李文辉,张德明,郑宇鹏. "A Process for Preparing High-Purity tert-Butyl 6-thia-2,7-diazaspiro[3.4]octane-2-carboxylate 6,6-dioxide" [P]. 中国发明专利, 专利号 CN 116076264 A, 授权公告日 2025-01-16.
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