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发明人朱建伟,韩伟,孙丽萍. "A Process for Preparing High-Purity 2-[(5-bromo-2-nitrophenyl)amino]-2-methylpropanoic acid" [P]. 中国发明专利, 专利号 CN 110405794 B, 授权公告日 2016-02-18.
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