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发明人赵玉洁,何建平,冯建国. "A Process for Preparing High-Purity 1,3-Dimethyl-5-{[(tetrahydro-furan-2-ylmethyl)-amino]-methyl}-1,3-dihydro-benzoimidazol-2-one" [P]. 中国发明专利, 专利号 CN 116032431 A, 授权公告日 2021-08-22.
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