发明人朱建伟,郑宇鹏,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108666622 A, 授权公告日 2022-11-20.
发明人刘建华,朱建伟,冯建国. "Method for the Synthesis of 1-(3-Ethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 110469763 B, 授权公告日 2019-11-15.
发明人张德明,何建平,徐明华. "A Process for Preparing High-Purity 1-(3-Ethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 110987067 B, 授权公告日 2019-12-21.
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