Björnsson E, Rossi M, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3551788 A1, 2022-02-01.
发明人李文辉,钱学锋,郭海燕. "Method for the Synthesis of (2Z)-6-Hydroxy-2-(3-methoxybenzylidene)-1-benzofuran-3(2H)-one" [P]. 中国发明专利, 专利号 CN 117610406 B, 授权公告日 2024-07-25.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2021, 1479, 3323-3334.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2015, 1500, (3), 2025-2038.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (2Z)-6-Hydroxy-2-(3-methoxybenzylidene)-1-benzofuran-3(2H)-one Using HRMS and NMR". Anal. Methods, 2023, 1758, (8), 2690-2705.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2017, 1773, (10), 3838-3845.