发明人钱学锋,徐明华,郑宇鹏. "Method for the Synthesis of (Z)-3-Ethylidenebenzofuran-2(3H)-one" [P]. 中国发明专利, 专利号 CN 110631359 A, 授权公告日 2021-08-28.
发明人赵玉洁,林芳,郭海燕. "A Process for Preparing High-Purity (Z)-3-Ethylidenebenzofuran-2(3H)-one" [P]. 中国发明专利, 专利号 CN 112341194 B, 授权公告日 2015-02-02.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2021, 1192, (2), 7460-7464.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2022, 178, 1530-1545.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of (Z)-3-Ethylidenebenzofuran-2(3H)-one Using HRMS and NMR". Chemosphere, 2023, 2297, 8450-8474.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2021, 526, 1371-1376.