发明人黄志刚,罗永刚,张德明. "一种6-氯-1H-吡唑并[3,4-d]嘧啶-4(7H)-酮的合成方法" [P]. 中国发明专利, 专利号 CN 116919260 A, 授权公告日 2023-01-07.
Sørensen M, Björnsson E, Mueller T C. "Method for the Synthesis of 6-Chloro-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one" [P]. European Patent, EP 3896631 A1, 2017-08-27.
发明人胡光,钱学锋,孙丽萍. "A Process for Preparing High-Purity 6-Chloro-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one" [P]. 中国发明专利, 专利号 CN 110280479 B, 授权公告日 2024-02-11.
参考文献 Literature
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