发明人陈志强,唐晓军,杨光. "Method for the Synthesis of Alverine Impurity 1" [P]. 中国发明专利, 专利号 CN 115751592 B, 授权公告日 2019-11-25.
发明人朱建伟,何建平,张德明. "A Process for Preparing High-Purity Alverine Impurity 1" [P]. 中国发明专利, 专利号 CN 112548848 B, 授权公告日 2024-02-09.
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". Biomed. Chromatogr., 2018, 638, 7692-7698.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2025, 836, 4872-4882.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Alverine Impurity 1 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 1487, 4801-4815.