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发明人刘建华,孙丽萍,赵玉洁. "A Process for Preparing High-Purity (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-4-(benzyloxy)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 112796390 A, 授权公告日 2017-09-24.
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