发明人刘建华,冯建国,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115553411 A, 授权公告日 2021-03-08.
发明人黄志刚,韩伟,郭海燕. "Method for the Synthesis of Folic Acid Impurity 35" [P]. 中国发明专利, 专利号 CN 109104957 A, 授权公告日 2023-02-03.
发明人朱建伟,周伟,王建平. "A Process for Preparing High-Purity Folic Acid Impurity 35" [P]. 中国发明专利, 专利号 CN 117372375 B, 授权公告日 2020-01-17.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 2282, 4200-4212.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 169, 5465-5476.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Folic Acid Impurity 35 Using HRMS and NMR". Chemosphere, 2022, 2168, (8), 8428-8457.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2017, 2198, (1), 8463-8489.