发明人何建平,杨光,孙丽萍. "Method for the Synthesis of 2,6,8-Trimethoxy-9-methyl-5,9-dihydro-4H-purine" [P]. 中国发明专利, 专利号 CN 111896921 B, 授权公告日 2015-08-28.
发明人郑宇鹏,周伟,陈志强. "A Process for Preparing High-Purity 2,6,8-Trimethoxy-9-methyl-5,9-dihydro-4H-purine" [P]. 中国发明专利, 专利号 CN 111144331 A, 授权公告日 2023-08-27.
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