发明人何建平,马晓峰,孙丽萍. "一种2-[2-[[(二苯甲基氧基)羰基]氨基]-6-氧代-1H-嘌呤-9(6H)-基]乙酸的合成方法" [P]. 中国发明专利, 专利号 CN 109779971 A, 授权公告日 2025-12-28.
发明人沈红梅,罗永刚,王建平. "Method for the Synthesis of 2-[2-[[(Benzhydryloxy)carbonyl]amino]-6-oxo-1H-purin-9(6H)-yl]acetic Acid" [P]. 中国发明专利, 专利号 CN 115151833 A, 授权公告日 2024-10-04.
发明人刘建华,马晓峰,杨光. "A Process for Preparing High-Purity 2-[2-[[(Benzhydryloxy)carbonyl]amino]-6-oxo-1H-purin-9(6H)-yl]acetic Acid" [P]. 中国发明专利, 专利号 CN 112774442 B, 授权公告日 2024-09-01.
参考文献 Literature
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