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发明人胡光,赵玉洁,高志强. "A Process for Preparing High-Purity 2-(4-(Tert-butoxycarbonyl)-4-azaspiro[2.5]Octan-7-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 117510984 B, 授权公告日 2016-09-12.
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