发明人罗永刚,郑宇鹏,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114441946 A, 授权公告日 2017-08-20.
Fischer A B, Davis P L, Stevens L M. "Method for the Synthesis of Ethyl 6-methoxy-2-oxo-2H-chromene-3-carboxylate" [P]. US Patent, US 10354145 B2, 2015-10-20.
发明人张德明,高志强,胡光. "A Process for Preparing High-Purity Ethyl 6-methoxy-2-oxo-2H-chromene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111846348 B, 授权公告日 2015-07-22.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2020, 1440, (7), 4417-4444.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 2094, 3891-3906.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-methoxy-2-oxo-2H-chromene-3-carboxylate Using HRMS and NMR". Phytochemistry, 2022, 1084, (6), 2859-2883.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2024, 1525, (9), 5131-5153.