发明人刘建华,林芳,杨光. "Method for the Synthesis of 2-(3,6-Dicyclopropyl-4-(methoxycarbonyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116417683 A, 授权公告日 2017-09-25.
Sørensen M, Nowak P, Nielsen H. "A Process for Preparing High-Purity 2-(3,6-Dicyclopropyl-4-(methoxycarbonyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid" [P]. European Patent, EP 3421149 A1, 2019-12-09.
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