发明人何建平,徐明华,韩伟. "Method for the Synthesis of Ethyl 6-oxospiro[2.4]Heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111235614 B, 授权公告日 2017-08-06.
发明人赵玉洁,冯建国,高志强. "A Process for Preparing High-Purity Ethyl 6-oxospiro[2.4]Heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109588893 A, 授权公告日 2020-08-09.
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