发明人朱建伟,罗永刚,孙丽萍. "Method for the Synthesis of (S)-1-(tert-Butoxycarbonyl)-4-(4-nitropyridin-3-yl)piperazine-2-carboxylic acid
1786635-14-0" [P]. 中国发明专利, 专利号 CN 108077246 A, 授权公告日 2016-10-24.
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