发明人郑宇鹏,马晓峰,徐明华. "Method for the Synthesis of 2'-Chloro-4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]" [P]. 中国发明专利, 专利号 CN 115961074 B, 授权公告日 2020-12-06.
发明人冯建国,赵玉洁,罗永刚. "A Process for Preparing High-Purity 2'-Chloro-4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]" [P]. 中国发明专利, 专利号 CN 115101823 B, 授权公告日 2019-12-03.
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