发明人杨光,王建平,罗永刚. "一种吲达帕胺杂质20的合成方法" [P]. 中国发明专利, 专利号 CN 108022053 A, 授权公告日 2019-03-17.
O'Brien P Q, Roberts E F, Mueller T. "Method for the Synthesis of Indapamide Impurity 20" [P]. US Patent, US 11543021 B2, 2018-09-16.
发明人杨光,高志强,罗永刚. "A Process for Preparing High-Purity Indapamide Impurity 20" [P]. 中国发明专利, 专利号 CN 117871007 B, 授权公告日 2022-04-08.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 吲达帕胺杂质20 in Pharmaceutical Formulations". Sci. Total Environ., 2017, 343, (8), 6566-6588.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 吲达帕胺杂质20 as an Impurity". J. Nat. Prod., 2015, 757, 2271-2290.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Indapamide Impurity 20 Using HRMS and NMR". Chromatographia, 2016, 1938, (1), 498-527.