发明人罗永刚,周伟,高志强. "Method for the Synthesis of 1-(Furan-2-yl)-2-azaspiro[3.3]heptane" [P]. 中国发明专利, 专利号 CN 112842107 B, 授权公告日 2020-12-13.
发明人何建平,王建平,冯建国. "A Process for Preparing High-Purity 1-(Furan-2-yl)-2-azaspiro[3.3]heptane" [P]. 中国发明专利, 专利号 CN 110185295 B, 授权公告日 2020-08-27.
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