Sørensen M, Rossi M, Nowak P. "一种的合成方法" [P]. European Patent, EP 3970210 A1, 2021-09-23.
发明人罗永刚,朱建伟,张德明. "Method for the Synthesis of 8-Ethoxy-2-oxo-2H-1-benzopyran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114045217 B, 授权公告日 2018-03-07.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 310, (10), 5978-5999.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2025, 1963, 5045-5053.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 8-Ethoxy-2-oxo-2H-1-benzopyran-3-carboxylic acid Using HRMS and NMR". Talanta, 2017, 862, (4), 2021-2046.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2019, 2229, (2), 5329-5332.