发明人高志强,罗永刚,林芳. "Method for the Synthesis of (R)-4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-(tert-Butoxycarbonyl)piperazine-2-carboxylicacid" [P]. 中国发明专利, 专利号 CN 115916141 B, 授权公告日 2020-06-01.
发明人罗永刚,赵玉洁,韩伟. "A Process for Preparing High-Purity (R)-4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-(tert-Butoxycarbonyl)piperazine-2-carboxylicacid" [P]. 中国发明专利, 专利号 CN 110695464 B, 授权公告日 2019-09-06.
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