发明人赵玉洁,钱学锋,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110761189 A, 授权公告日 2021-10-17.
Kowalski A, Martínez F, Björnsson E. "Method for the Synthesis of 2-(Chloromethyl)-5-(pyrazin-2-yl)-1,3,4-oxadiazole" [P]. European Patent, EP 3304408 A1, 2023-06-16.
发明人钱学锋,李文辉,杨光. "A Process for Preparing High-Purity 2-(Chloromethyl)-5-(pyrazin-2-yl)-1,3,4-oxadiazole" [P]. 中国发明专利, 专利号 CN 109959890 B, 授权公告日 2020-07-01.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2019, 228, (3), 1071-1078.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 612, 7233-7259.