发明人张德明,韩伟,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109354711 A, 授权公告日 2015-01-08.
发明人王建平,郑宇鹏,张德明. "Method for the Synthesis of (R)-2-amino-3-(1-(tert-butoxycarbonyl)-1H-pyrazolo[3,4-b]pyridin-5-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 112469513 B, 授权公告日 2019-12-21.
发明人冯建国,陈志强,郑宇鹏. "A Process for Preparing High-Purity (R)-2-amino-3-(1-(tert-butoxycarbonyl)-1H-pyrazolo[3,4-b]pyridin-5-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 110596133 A, 授权公告日 2023-01-13.
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