发明人张德明,杨光,黄志刚. "Method for the Synthesis of (R)-2-(5-((1H-Indol-3-yl)methyl)-4-(tert-butoxycarbonyl)-2-oxopiperazin-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 111750708 A, 授权公告日 2015-01-08.
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