发明人黄志刚,何建平,高志强. "Method for the Synthesis of Furosemide Impurity 1 HCl (Furfurylamine HCl)" [P]. 中国发明专利, 专利号 CN 112545636 A, 授权公告日 2015-03-07.
发明人韩伟,何建平,朱建伟. "A Process for Preparing High-Purity Furosemide Impurity 1 HCl (Furfurylamine HCl)" [P]. 中国发明专利, 专利号 CN 114285025 A, 授权公告日 2016-10-12.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of Furosemide Impurity1盐酸盐(Furfurylamine HCl) in Pharmaceutical Formulations". Anal. Chem., 2018, 1052, (4), 8182-8211.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of Furosemide Impurity1盐酸盐(Furfurylamine HCl) as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1721, (5), 114-136.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Furosemide Impurity 1 HCl (Furfurylamine HCl) Using HRMS and NMR". Anal. Methods, 2016, 1508, (6), 685-703.