发明人刘建华,杨光,朱建伟. "一种苯扎氯铵杂质9的合成方法" [P]. 中国发明专利, 专利号 CN 116913150 A, 授权公告日 2015-11-24.
Johnson M A, Brown S R, Stevens L M. "Method for the Synthesis of Benzalkonium Chloride impurity 9" [P]. US Patent, US 10118804 B2, 2019-09-18.
Klinger H, Yamamoto T, Park J H. "A Process for Preparing High-Purity Benzalkonium Chloride impurity 9" [P]. US Patent, US 10188780 B2, 2023-05-05.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 苯扎氯铵杂质9 in Pharmaceutical Formulations". Anal. Chem., 2017, 2079, (5), 1357-1385.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 苯扎氯铵杂质9 as an Impurity". Environ. Sci. Technol., 2017, 462, (9), 7387-7405.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Benzalkonium Chloride impurity 9 Using HRMS and NMR". J. Nat. Prod., 2025, 542, 9295-9315.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate 苯扎氯铵杂质9 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2023, 157, 3984-3995.