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发明人李文辉,郑宇鹏,杨光. "A Process for Preparing High-Purity tert-Butyl 4-(4-(hydrazinecarbonyl)benzyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 116636121 B, 授权公告日 2022-06-18.
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