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1786899-70-4" [P]. European Patent, EP 3113404 A1, 2019-08-03.
发明人林芳,郑宇鹏,何建平. "A Process for Preparing High-Purity (S)-4-(2-Bromo-6-nitrophenyl)-1-(tert-butoxy-carbonyl)piperazine-2-carboxylic acid
1786899-70-4" [P]. 中国发明专利, 专利号 CN 117141852 A, 授权公告日 2020-03-18.
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