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发明人马晓峰,黄志刚,陈志强. "Method for the Synthesis of Ethyl 5-(2-ethoxy-2-oxoacetyl)-6-methyl-2,3-dihydro-1H-pyrrolizine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 112235951 A, 授权公告日 2019-11-22.
发明人罗永刚,孙丽萍,唐晓军. "A Process for Preparing High-Purity Ethyl 5-(2-ethoxy-2-oxoacetyl)-6-methyl-2,3-dihydro-1H-pyrrolizine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 110271557 A, 授权公告日 2017-04-21.
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