Lefèvre J P, Nowak P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3727475 A1, 2025-02-21.
发明人张德明,罗永刚,王建平. "Method for the Synthesis of 1-(1-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115720090 B, 授权公告日 2020-12-27.
Björnsson E, Mueller T C, Lefèvre J P. "A Process for Preparing High-Purity 1-(1-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid" [P]. European Patent, EP 3784185 A1, 2022-02-13.
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