发明人杨光,刘建华,胡光. "Method for the Synthesis of 1-(2-Aminoethyl)-5-(2-methylbenzyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 113136397 A, 授权公告日 2022-08-20.
发明人李文辉,林芳,陈志强. "A Process for Preparing High-Purity 1-(2-Aminoethyl)-5-(2-methylbenzyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 110410656 B, 授权公告日 2021-07-18.
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