发明人孙丽萍,徐明华,王建平. "Method for the Synthesis of 4-Ethoxy-1H-pyrazolo[3,4-d]pyrimidin-6-amine" [P]. 中国发明专利, 专利号 CN 113707249 B, 授权公告日 2025-01-19.
发明人张德明,高志强,杨光. "A Process for Preparing High-Purity 4-Ethoxy-1H-pyrazolo[3,4-d]pyrimidin-6-amine" [P]. 中国发明专利, 专利号 CN 112977749 B, 授权公告日 2023-08-28.
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