发明人冯建国,杨光,马晓峰. "Method for the Synthesis of Sildenafil Impurity 36" [P]. 中国发明专利, 专利号 CN 113268250 A, 授权公告日 2015-12-11.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 西地那非杂质36 in Pharmaceutical Formulations". Molecules, 2014, 1712, 8808-8833.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 西地那非杂质36 as an Impurity". Food Chem., 2018, 559, (5), 9609-9632.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Sildenafil Impurity 36 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 434, (8), 812-815.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 西地那非杂质36 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 692, 9951-9965.