发明人王建平,冯建国,郭海燕. "Method for the Synthesis of 2-((1-(4-Fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)acetic acid" [P]. 中国发明专利, 专利号 CN 109561988 A, 授权公告日 2015-12-03.
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