发明人张德明,陈志强,郭海燕. "Method for the Synthesis of 6-Methoxy-2-methylbenzofuran-7-ol" [P]. 中国发明专利, 专利号 CN 108773764 B, 授权公告日 2016-03-12.
发明人郑宇鹏,罗永刚,沈红梅. "A Process for Preparing High-Purity 6-Methoxy-2-methylbenzofuran-7-ol" [P]. 中国发明专利, 专利号 CN 114808800 B, 授权公告日 2022-03-21.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2010, 1747, (5), 9847-9871.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2022, 1203, (11), 7187-7201.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methoxy-2-methylbenzofuran-7-ol Using HRMS and NMR". Chromatographia, 2010, 1500, (4), 4500-4526.