发明人韩伟,徐明华,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117852638 A, 授权公告日 2021-07-08.
发明人刘建华,林芳,赵玉洁. "Method for the Synthesis of Valaciclovir Impurity 1" [P]. 中国发明专利, 专利号 CN 113765551 B, 授权公告日 2020-05-13.
Sørensen M, Björnsson E, Kowalski A. "A Process for Preparing High-Purity Valaciclovir Impurity 1" [P]. European Patent, EP 3208625 A1, 2022-04-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 1382, (11), 6049-6065.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2020, 1702, 6796-6826.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Valaciclovir Impurity 1 Using HRMS and NMR". Environ. Sci. Technol., 2012, 652, 7067-7074.