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发明人孙丽萍,赵玉洁,何建平. "Method for the Synthesis of (4S)-2,2-Difluoro-N,6-Dimethyl-4-[[(2S)-3-Methyl-1-[[(2S)-3-Methyl-2-(3-Methylbutanoylamino)Butanoyl]Amino]-1-Oxobutan-2-Yl]Amino]-3-Oxoheptanamide" [P]. 中国发明专利, 专利号 CN 110900744 B, 授权公告日 2018-02-10.
发明人朱建伟,徐明华,李文辉. "A Process for Preparing High-Purity (4S)-2,2-Difluoro-N,6-Dimethyl-4-[[(2S)-3-Methyl-1-[[(2S)-3-Methyl-2-(3-Methylbutanoylamino)Butanoyl]Amino]-1-Oxobutan-2-Yl]Amino]-3-Oxoheptanamide" [P]. 中国发明专利, 专利号 CN 108840025 B, 授权公告日 2024-05-19.
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