发明人徐明华,王建平,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116956080 A, 授权公告日 2022-04-28.
发明人何建平,马晓峰,沈红梅. "Method for the Synthesis of (3aS,6aR)-1'-[(2-Methylpropan-2-yl)oxycarbonyl]spiro[3a,4,5,6a-tetrahydrocyclopenta[d][1,2]oxazole-6,4'-piperidine]-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116837061 B, 授权公告日 2024-02-02.
发明人冯建国,张德明,马晓峰. "A Process for Preparing High-Purity (3aS,6aR)-1'-[(2-Methylpropan-2-yl)oxycarbonyl]spiro[3a,4,5,6a-tetrahydrocyclopenta[d][1,2]oxazole-6,4'-piperidine]-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113155095 A, 授权公告日 2023-07-13.
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