发明人徐明华,何建平,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110387865 A, 授权公告日 2021-01-10.
发明人李文辉,罗永刚,钱学锋. "Method for the Synthesis of (S)-1-oxo-2-azaspiro[4.4]Nonane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114981749 B, 授权公告日 2024-09-09.
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