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发明人刘建华,张德明,孙丽萍. "A Process for Preparing High-Purity Ethyl 8-(2-((4-methylpiperazin-1-yl)methyl)phenyl)-8-oxooctanoate" [P]. 中国发明专利, 专利号 CN 109704237 B, 授权公告日 2024-01-28.
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