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发明人张德明,钱学锋,刘建华. "A Process for Preparing High-Purity 4-((2-Amino-1H-purin-6-yl)amino)benzenesulfonamide" [P]. 中国发明专利, 专利号 CN 110685416 A, 授权公告日 2015-10-09.
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