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发明人钱学锋,张德明,周伟. "A Process for Preparing High-Purity N,N-Dimethyl-9-(3-(trifluoromethyl)benzyl)-9H-purin-6-amine" [P]. 中国发明专利, 专利号 CN 113431233 B, 授权公告日 2020-12-19.
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