发明人李文辉,冯建国,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111481002 A, 授权公告日 2023-06-23.
发明人罗永刚,张德明,林芳. "Method for the Synthesis of 3H-Spiro[furo[2,3-c]pyridine-2,4'-piperidine]" [P]. 中国发明专利, 专利号 CN 112427965 A, 授权公告日 2023-02-15.
发明人周伟,沈红梅,孙丽萍. "A Process for Preparing High-Purity 3H-Spiro[furo[2,3-c]pyridine-2,4'-piperidine]" [P]. 中国发明专利, 专利号 CN 116865775 B, 授权公告日 2025-08-02.
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