发明人陈志强,李文辉,郑宇鹏. "Method for the Synthesis of 5,7-Dichloro-1-oxoisochroman-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111927371 A, 授权公告日 2023-10-03.
发明人郑宇鹏,韩伟,马晓峰. "A Process for Preparing High-Purity 5,7-Dichloro-1-oxoisochroman-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115831002 B, 授权公告日 2018-11-06.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 1587, (5), 3836-3858.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 479, (3), 696-726.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5,7-Dichloro-1-oxoisochroman-3-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2017, 1462, (2), 195-205.