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Schröder R, Kowalski A, Johansson L. "Method for the Synthesis of Benzyl ((S)-1-(((S)-1-(((S)-5-guanidino-1-((4-methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxopentan-2-yl)amino)-3-methyl-1-oxobutan-2-yl)amino)-3-methyl-1-oxobutan-2-yl)carbamate" [P]. European Patent, EP 3258174 A1, 2018-09-20.
发明人张德明,罗永刚,陈志强. "A Process for Preparing High-Purity Benzyl ((S)-1-(((S)-1-(((S)-5-guanidino-1-((4-methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxopentan-2-yl)amino)-3-methyl-1-oxobutan-2-yl)amino)-3-methyl-1-oxobutan-2-yl)carbamate" [P]. 中国发明专利, 专利号 CN 116584607 B, 授权公告日 2020-05-01.
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