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发明人赵玉洁,高志强,王建平. "A Process for Preparing High-Purity 1-(2-(2-Hydroxyethoxy)ethyl)-3-(1-methyl-1H-indol-3-yl)urea" [P]. 中国发明专利, 专利号 CN 116619387 A, 授权公告日 2021-01-21.
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