发明人王建平,刘建华,周伟. "Method for the Synthesis of 2-{1,4-dioxa-7-azaspiro[4.4]nonan-7-yl}ethan-1-amine" [P]. 中国发明专利, 专利号 CN 108891850 B, 授权公告日 2025-04-11.
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