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发明人刘建华,周伟,张德明. "A Process for Preparing High-Purity [(2-Oxo-2-{[2-(trifluoromethyl)benzyl]amino}-ethyl)(phenyl)amino]acetic acid" [P]. 中国发明专利, 专利号 CN 109870758 B, 授权公告日 2023-01-13.
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