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发明人何建平,杨光,韩伟. "A Process for Preparing High-Purity 8-Benzyl 3-ethyl (R)-2,8-diazaspiro[4.5]decane-3,8-dicarboxylate" [P]. 中国发明专利, 专利号 CN 108470578 B, 授权公告日 2021-08-15.
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