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Björnsson E, Sørensen M, Mueller T C. "Method for the Synthesis of 6-Benzyl-1-(3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one" [P]. European Patent, EP 3924892 A1, 2025-07-27.
发明人李文辉,徐明华,罗永刚. "A Process for Preparing High-Purity 6-Benzyl-1-(3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one" [P]. 中国发明专利, 专利号 CN 113609547 A, 授权公告日 2024-07-19.
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