发明人郑宇鹏,韩伟,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111557130 A, 授权公告日 2025-10-11.
发明人马晓峰,周伟,陈志强. "Method for the Synthesis of EC 19" [P]. 中国发明专利, 专利号 CN 114948884 A, 授权公告日 2024-04-22.
发明人朱建伟,孙丽萍,冯建国. "A Process for Preparing High-Purity EC 19" [P]. 中国发明专利, 专利号 CN 112674072 B, 授权公告日 2018-06-05.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2024, 512, (7), 2876-2879.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2014, 1505, 1921-1929.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of EC 19 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 224, 8990-9008.