Patel M V, Brown S R, Johnson M A. "一种的合成方法" [P]. US Patent, US 11970070 B2, 2018-03-16.
发明人张德明,韩伟,郑宇鹏. "Method for the Synthesis of (4S)-7-amino-4-methyl-3,4-dihydro-2H-1-benzopyran-2-one" [P]. 中国发明专利, 专利号 CN 110732699 B, 授权公告日 2024-09-18.
发明人王建平,周伟,刘建华. "A Process for Preparing High-Purity (4S)-7-amino-4-methyl-3,4-dihydro-2H-1-benzopyran-2-one" [P]. 中国发明专利, 专利号 CN 115108089 A, 授权公告日 2018-08-24.
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". J. Pharm. Biomed. Anal., 2017, 527, (4), 6918-6938.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 174, (3), 3604-3610.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of (4S)-7-amino-4-methyl-3,4-dihydro-2H-1-benzopyran-2-one Using HRMS and NMR". J. Chromatogr. A, 2010, 1357, (8), 7912-7917.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2025, 1174, 1942-1964.