Chen K W, Kumar R, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9403315 B2, 2022-12-02.
发明人张德明,徐明华,何建平. "Method for the Synthesis of rel-Ethyl (2S,7aR)-2-hydroxy-5-oxotetrahydro-1H-pyrrolizine-7a(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 116064522 A, 授权公告日 2020-05-18.
发明人何建平,杨光,沈红梅. "A Process for Preparing High-Purity rel-Ethyl (2S,7aR)-2-hydroxy-5-oxotetrahydro-1H-pyrrolizine-7a(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 110318281 A, 授权公告日 2018-11-14.
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