发明人韩伟,冯建国,高志强. "Method for the Synthesis of tert-Butyl 7-oxo-6-((S)-1-phenylethyl)-2,6-diazabicyclo[3.2.0]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108888055 B, 授权公告日 2022-09-05.
Hughes D C, Johnson M A, Patel M V. "A Process for Preparing High-Purity tert-Butyl 7-oxo-6-((S)-1-phenylethyl)-2,6-diazabicyclo[3.2.0]heptane-2-carboxylate" [P]. US Patent, US 9666112 B2, 2021-04-12.
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