发明人何建平,孙丽萍,李文辉. "Method for the Synthesis of (S)-2-((tert-Butoxycarbonyl)amino)-5-(4-cyanophenyl)pent-4-enoic acid" [P]. 中国发明专利, 专利号 CN 117519775 A, 授权公告日 2019-01-24.
发明人罗永刚,马晓峰,郭海燕. "A Process for Preparing High-Purity (S)-2-((tert-Butoxycarbonyl)amino)-5-(4-cyanophenyl)pent-4-enoic acid" [P]. 中国发明专利, 专利号 CN 112954968 A, 授权公告日 2019-10-06.
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