发明人林芳,钱学锋,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112039697 A, 授权公告日 2020-11-02.
发明人冯建国,韩伟,钱学锋. "Method for the Synthesis of [1-Hydroxy-3-(methyl-2,2-dimethylbutylamino)propylidene] Bisphosphonic Acid(Ibandronic Acid Impurity)" [P]. 中国发明专利, 专利号 CN 111068951 B, 授权公告日 2023-07-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 714, 9494-9510.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 1876, (7), 2364-2379.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of [1-Hydroxy-3-(methyl-2,2-dimethylbutylamino)propylidene] Bisphosphonic Acid(Ibandronic Acid Impurity) Using HRMS and NMR". J. Nat. Prod., 2012, 1470, (11), 5885-5903.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2012, 1414, 1617-1631.