发明人孙丽萍,高志强,黄志刚. "Method for the Synthesis of (R)-1-Cyanobutan-2-yl ((S)-1-(3-(3-(3-methoxy-4-(oxazol-5-yl)phenyl)ureido)phenyl)ethyl)carbamate" [P]. 中国发明专利, 专利号 CN 117793257 A, 授权公告日 2022-05-18.
发明人冯建国,何建平,孙丽萍. "A Process for Preparing High-Purity (R)-1-Cyanobutan-2-yl ((S)-1-(3-(3-(3-methoxy-4-(oxazol-5-yl)phenyl)ureido)phenyl)ethyl)carbamate" [P]. 中国发明专利, 专利号 CN 108825473 A, 授权公告日 2019-11-28.
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