发明人王建平,罗永刚,冯建国. "Method for the Synthesis of Tert-butyl 2-oxa-7-azaspiro[3.5]Non-5-ene-7-carboxylate" [P]. 中国发明专利, 专利号 CN 113262850 B, 授权公告日 2015-02-14.
发明人胡光,郭海燕,赵玉洁. "A Process for Preparing High-Purity Tert-butyl 2-oxa-7-azaspiro[3.5]Non-5-ene-7-carboxylate" [P]. 中国发明专利, 专利号 CN 111056892 A, 授权公告日 2023-01-20.
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