发明人沈红梅,郑宇鹏,罗永刚. "Method for the Synthesis of (S)-2-Amino-N-ethyl-3-methyl-N-(4-nitrobenzyl)butanamide" [P]. 中国发明专利, 专利号 CN 110495309 B, 授权公告日 2021-02-23.
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