发明人黄志刚,张德明,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110111017 A, 授权公告日 2017-11-25.
发明人韩伟,郭海燕,王建平. "Method for the Synthesis of tert-Butyl 2-(3-((4-amino-3-hydroxy-4-oxo-1-phenylbutan-2-yl)carbamoyl)pyridin-2-yl)-4,5-dihydro-2H-pyrazolo[3,4-c]pyridine-6(7H)-carboxylate" [P]. 中国发明专利, 专利号 CN 108978602 B, 授权公告日 2018-07-21.
发明人李文辉,周伟,罗永刚. "A Process for Preparing High-Purity tert-Butyl 2-(3-((4-amino-3-hydroxy-4-oxo-1-phenylbutan-2-yl)carbamoyl)pyridin-2-yl)-4,5-dihydro-2H-pyrazolo[3,4-c]pyridine-6(7H)-carboxylate" [P]. 中国发明专利, 专利号 CN 111471428 B, 授权公告日 2018-09-27.
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