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发明人刘建华,韩伟,罗永刚. "Method for the Synthesis of (R)-2,3,4,6,7,11b-hexahydro-1H-pyrazino[2,1-a]isoquinoline dihydrochloride" [P]. 中国发明专利, 专利号 CN 117324592 B, 授权公告日 2021-04-03.
发明人林芳,张德明,陈志强. "A Process for Preparing High-Purity (R)-2,3,4,6,7,11b-hexahydro-1H-pyrazino[2,1-a]isoquinoline dihydrochloride" [P]. 中国发明专利, 专利号 CN 110147928 B, 授权公告日 2017-10-10.
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