发明人罗永刚,韩伟,马晓峰. "Method for the Synthesis of 14-Hydroxy-3-methoxy-17-methyl-6-oxo-4-phenoxy-morphinan 6-Ethylene Ketal (1.0mg/ml in Acetonitrile)" [P]. 中国发明专利, 专利号 CN 115578761 A, 授权公告日 2021-03-20.
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