发明人冯建国,刘建华,郭海燕. "Method for the Synthesis of 2-(2-(((Benzyloxy)carbonyl)amino)-6-oxo-3H-purin-9(6H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108570365 B, 授权公告日 2020-04-10.
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