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发明人林芳,沈红梅,郑宇鹏. "Method for the Synthesis of 4-(7-Oxo-5,8-diazaspiro[3.4]oct-6-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 109792740 A, 授权公告日 2025-10-04.
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