发明人林芳,孙丽萍,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110452935 A, 授权公告日 2018-03-01.
发明人唐晓军,郭海燕,冯建国. "Method for the Synthesis of Ethyl 3-ethyl-1,2,4-oxadiazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 114197241 B, 授权公告日 2020-03-06.
Mueller T, Fischer A B, Stevens L M. "A Process for Preparing High-Purity Ethyl 3-ethyl-1,2,4-oxadiazole-5-carboxylate" [P]. US Patent, US 9886498 B2, 2017-03-06.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2019, 2187, (4), 9661-9673.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 2281, (2), 1201-1210.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-ethyl-1,2,4-oxadiazole-5-carboxylate Using HRMS and NMR". J. Nat. Prod., 2024, 1948, (1), 948-952.