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发明人李文辉,杨光,何建平. "A Process for Preparing High-Purity N,N-Dimethyl-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-2-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 116551939 A, 授权公告日 2019-10-18.
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