发明人郭海燕,杨光,郑宇鹏. "Method for the Synthesis of (S)-2-Amino-N-isopropyl-3-methyl-N-(2-oxo-2-(pyrazin-2-yl)ethyl)butanamide" [P]. 中国发明专利, 专利号 CN 114458941 A, 授权公告日 2025-07-13.
Nielsen H, Jørgensen K, Johansson L. "A Process for Preparing High-Purity (S)-2-Amino-N-isopropyl-3-methyl-N-(2-oxo-2-(pyrazin-2-yl)ethyl)butanamide" [P]. European Patent, EP 3258622 A1, 2022-05-02.
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