发明人陈志强,韩伟,朱建伟. "Method for the Synthesis of Proparacaine Impurity 20" [P]. 中国发明专利, 专利号 CN 115160810 B, 授权公告日 2018-05-06.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 丙美卡因杂质20 in Pharmaceutical Formulations". Biomed. Chromatogr., 2021, 151, 7561-7565.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 丙美卡因杂质20 as an Impurity". Chemosphere, 2015, 2179, 47-67.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Proparacaine Impurity 20 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1719, (4), 1869-1877.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 丙美卡因杂质20 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2018, 947, 1464-1489.