发明人冯建国,沈红梅,王建平. "Method for the Synthesis of Clozapine impurity 8" [P]. 中国发明专利, 专利号 CN 115656149 A, 授权公告日 2015-10-04.
Mueller T, Chen K W, Hughes D C. "A Process for Preparing High-Purity Clozapine impurity 8" [P]. US Patent, US 11635565 B2, 2022-01-25.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 氯氮平杂质8 in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 2034, 6777-6793.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氯氮平杂质8 as an Impurity". J. Agric. Food Chem., 2018, 901, (4), 5732-5742.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Clozapine impurity 8 Using HRMS and NMR". Biomed. Chromatogr., 2018, 749, 7743-7755.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 氯氮平杂质8 Profile in Drug Substances According to ICH Guidelines". Talanta, 2014, 789, (11), 4550-4561.