发明人刘建华,郑宇鹏,高志强. "一种硝呋太尔杂质N7的合成方法" [P]. 中国发明专利, 专利号 CN 117048124 A, 授权公告日 2015-02-10.
Stevens L M, Kumar R, Davis P L. "Method for the Synthesis of Nifuratel Impurity N7" [P]. US Patent, US 9462814 B2, 2023-04-13.
Lee S K, Anderson J P, O'Brien P Q. "A Process for Preparing High-Purity Nifuratel Impurity N7" [P]. US Patent, US 9391772 B2, 2016-04-18.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 硝呋太尔杂质N7 in Pharmaceutical Formulations". Sci. Total Environ., 2012, 1341, (12), 5148-5158.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 硝呋太尔杂质N7 as an Impurity". J. Agric. Food Chem., 2014, 2291, 607-626.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Nifuratel Impurity N7 Using HRMS and NMR". Anal. Methods, 2012, 2013, 7923-7951.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 硝呋太尔杂质N7 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2023, 1394, 6315-6344.