发明人郑宇鹏,胡光,林芳. "Method for the Synthesis of 6,6-Dioxo-6-thia-1-azaspiro[3.3]heptane hemioxalate" [P]. 中国发明专利, 专利号 CN 117499336 A, 授权公告日 2025-02-25.
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