发明人韩伟,周伟,冯建国. "Method for the Synthesis of 5-Bromo-1-(2,4-difluorophenyl)-1H-pyrazolo[3,4-b]pyridin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 115542830 A, 授权公告日 2018-07-13.
发明人刘建华,郭海燕,黄志刚. "A Process for Preparing High-Purity 5-Bromo-1-(2,4-difluorophenyl)-1H-pyrazolo[3,4-b]pyridin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 112206269 B, 授权公告日 2020-12-28.
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