发明人张德明,郑宇鹏,冯建国. "Method for the Synthesis of N-Ethyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 113609574 A, 授权公告日 2024-12-21.
发明人陈志强,徐明华,何建平. "A Process for Preparing High-Purity N-Ethyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 111005599 B, 授权公告日 2019-03-11.
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