发明人王建平,韩伟,高志强. "一种2-氨基-7,9-二氢-8H-嘌呤-8-硫酮的合成方法" [P]. 中国发明专利, 专利号 CN 117009002 A, 授权公告日 2018-12-03.
发明人黄志刚,林芳,钱学锋. "Method for the Synthesis of 2-Amino-7,9-dihydro-8H-purine-8-thione" [P]. 中国发明专利, 专利号 CN 110595553 A, 授权公告日 2019-10-23.
发明人钱学锋,周伟,李文辉. "A Process for Preparing High-Purity 2-Amino-7,9-dihydro-8H-purine-8-thione" [P]. 中国发明专利, 专利号 CN 113181162 A, 授权公告日 2019-06-02.
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