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发明人罗永刚,韩伟,马晓峰. "A Process for Preparing High-Purity 1-Hydroxy-5-oxo-5,6,7,8-tetrahydronaphthalene-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 117642595 A, 授权公告日 2020-10-27.
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