发明人王建平,郑宇鹏,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111720033 A, 授权公告日 2021-12-23.
发明人罗永刚,钱学锋,何建平. "Method for the Synthesis of (S)-2-(3-((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 109064961 B, 授权公告日 2019-10-05.
发明人高志强,杨光,陈志强. "A Process for Preparing High-Purity (S)-2-(3-((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 108250562 A, 授权公告日 2019-12-12.
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