发明人沈红梅,杨光,何建平. "Method for the Synthesis of Nitrendipine impurity 22" [P]. 中国发明专利, 专利号 CN 109302253 A, 授权公告日 2021-11-02.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 尼群地平杂质22 in Pharmaceutical Formulations". Chromatographia, 2010, 1542, 6468-6476.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 尼群地平杂质22 as an Impurity". Talanta, 2019, 1123, 4993-5006.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Nitrendipine impurity 22 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 1282, (1), 6027-6039.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 尼群地平杂质22 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2017, 1446, (9), 6077-6104.