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发明人冯建国,李文辉,罗永刚. "Method for the Synthesis of (S)-3-(1H-Imidazol-4-yl)-2-((2-oxoindolin-3-ylidene)amino)propanoic acid" [P]. 中国发明专利, 专利号 CN 112717456 A, 授权公告日 2020-02-25.
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