发明人何建平,马晓峰,郑宇鹏. "Method for the Synthesis of Xanomeline impurity 44" [P]. 中国发明专利, 专利号 CN 109187428 B, 授权公告日 2019-02-21.
发明人刘建华,王建平,韩伟. "A Process for Preparing High-Purity Xanomeline impurity 44" [P]. 中国发明专利, 专利号 CN 111244948 B, 授权公告日 2018-06-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 呫诺美林杂质44 in Pharmaceutical Formulations". J. Chromatogr. A, 2016, 348, (2), 123-140.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 呫诺美林杂质44 as an Impurity". J. Agric. Food Chem., 2016, 958, (10), 3495-3516.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Xanomeline impurity 44 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 1490, (3), 2909-2936.