Lee S K, Hughes D C, Mueller T. "Method for the Synthesis of 6-Amino-2-(2-deoxy-β-D-ribofuranosyl)-2,5-dihydro-4H-pyrazolo-[3,4-d]-pyrimidin-4-one" [P]. US Patent, US 10675804 B2, 2018-03-09.
发明人林芳,周伟,杨光. "A Process for Preparing High-Purity 6-Amino-2-(2-deoxy-β-D-ribofuranosyl)-2,5-dihydro-4H-pyrazolo-[3,4-d]-pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 110131426 B, 授权公告日 2021-02-28.
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