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发明人黄志刚,高志强,赵玉洁. "A Process for Preparing High-Purity 1-(4-((6,7-Dimethoxy-3,4-dihydroisoquinolin-1-yl)methyl)phenyl)-3-(4-fluoro-3-nitrophenyl)urea" [P]. 中国发明专利, 专利号 CN 117514376 A, 授权公告日 2019-09-15.
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