发明人钱学锋,韩伟,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112818083 A, 授权公告日 2023-02-18.
发明人刘建华,冯建国,周伟. "Method for the Synthesis of 5-(1-(2,4-Dichlorophenoxy)ethyl)-1,3,4-oxadiazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 112720511 B, 授权公告日 2024-03-08.
发明人陈志强,刘建华,周伟. "A Process for Preparing High-Purity 5-(1-(2,4-Dichlorophenoxy)ethyl)-1,3,4-oxadiazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 114223033 A, 授权公告日 2023-08-14.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 470, (2), 280-303.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2010, 630, 1394-1412.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 5-(1-(2,4-Dichlorophenoxy)ethyl)-1,3,4-oxadiazol-2(3H)-one Using HRMS and NMR". J. Nat. Prod., 2018, 1662, (5), 6149-6152.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 2272, 3284-3301.