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发明人沈红梅,徐明华,唐晓军. "A Process for Preparing High-Purity 9-(4-Chlorobenzyl)-N,N-dimethyl-9H-purin-6-amine" [P]. 中国发明专利, 专利号 CN 110514487 A, 授权公告日 2017-09-14.
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