发明人李文辉,王建平,马晓峰. "Method for the Synthesis of Proparacaine Impurity 7" [P]. 中国发明专利, 专利号 CN 116478359 B, 授权公告日 2016-07-26.
发明人唐晓军,冯建国,韩伟. "A Process for Preparing High-Purity Proparacaine Impurity 7" [P]. 中国发明专利, 专利号 CN 116145098 A, 授权公告日 2024-10-27.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 丙美卡因杂质7 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2014, 960, 4179-4196.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 丙美卡因杂质7 as an Impurity". Phytochemistry, 2019, 2340, 9325-9341.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Proparacaine Impurity 7 Using HRMS and NMR". J. Chromatogr. A, 2025, 1199, (2), 3791-3816.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 丙美卡因杂质7 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2025, 954, (12), 8549-8555.