发明人王建平,钱学锋,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112346147 A, 授权公告日 2018-06-20.
发明人周伟,黄志刚,孙丽萍. "Method for the Synthesis of 2'-Amino-6'-(hydroxymethyl)-1-methyl-8'-oxo-8'H-spiro[piperidine-4,4'-pyrano[3,2-b]pyran]-3'-carbonitrile" [P]. 中国发明专利, 专利号 CN 108170728 B, 授权公告日 2025-12-11.
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