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发明人马晓峰,郭海燕,李文辉. "A Process for Preparing High-Purity Ethyl 2-(3,8-diazabicyclo[3.2.1]octan-8-yl)acetate" [P]. 中国发明专利, 专利号 CN 110670949 A, 授权公告日 2018-04-09.
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