发明人张德明,马晓峰,林芳. "一种二甲双胍杂质35的合成方法" [P]. 中国发明专利, 专利号 CN 111772892 A, 授权公告日 2020-05-16.
发明人孙丽萍,徐明华,朱建伟. "Method for the Synthesis of Metformin Impurity 35" [P]. 中国发明专利, 专利号 CN 110789360 A, 授权公告日 2025-01-20.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 二甲双胍杂质35 in Pharmaceutical Formulations". Chemosphere, 2012, 380, 9221-9237.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 二甲双胍杂质35 as an Impurity". Molecules, 2022, 722, 5712-5735.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Metformin Impurity 35 Using HRMS and NMR". J. Agric. Food Chem., 2013, 2105, 8619-8638.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 二甲双胍杂质35 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 2339, (5), 1871-1895.