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发明人王建平,林芳,孙丽萍. "A Process for Preparing High-Purity 3-Oxo-6-(4-oxo-4H-quinazolin-3-yl)-hexanoic acid methyl ester" [P]. 中国发明专利, 专利号 CN 111279290 A, 授权公告日 2021-01-17.
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