Yamamoto T, Williams B T, Chen K W. "一种的合成方法" [P]. US Patent, US 11904154 B2, 2019-06-07.
发明人张德明,陈志强,钱学锋. "Method for the Synthesis of Polyquaternium-39" [P]. 中国发明专利, 专利号 CN 111760779 A, 授权公告日 2021-02-12.
发明人孙丽萍,林芳,胡光. "A Process for Preparing High-Purity Polyquaternium-39" [P]. 中国发明专利, 专利号 CN 116318898 A, 授权公告日 2020-06-01.
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". Environ. Sci. Technol., 2020, 1002, (10), 8465-8486.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 782, 4662-4674.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Polyquaternium-39 Using HRMS and NMR". Sci. Total Environ., 2015, 272, 2746-2758.