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发明人朱建伟,高志强,郭海燕. "Method for the Synthesis of 8-Propyl-4-(pyridine-3-carbonyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116511886 B, 授权公告日 2024-11-02.
发明人冯建国,杨光,孙丽萍. "A Process for Preparing High-Purity 8-Propyl-4-(pyridine-3-carbonyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116405923 A, 授权公告日 2019-11-17.
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