发明人李文辉,王建平,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111955650 A, 授权公告日 2024-09-07.
发明人李文辉,杨光,郑宇鹏. "Method for the Synthesis of 6-Chloro-2-isopropyl-7-methyl-7H-purine" [P]. 中国发明专利, 专利号 CN 109568441 B, 授权公告日 2017-02-19.
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