Nowak P, Sørensen M, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3668907 A1, 2022-05-21.
发明人张德明,唐晓军,胡光. "Method for the Synthesis of 2-(4,5-Dimethoxy-2-nitrophenyl)-5-methoxy-1,3,4-oxadiazole" [P]. 中国发明专利, 专利号 CN 113216649 A, 授权公告日 2016-06-25.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2014, 1329, 3198-3208.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2014, 425, (3), 4472-4485.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4,5-Dimethoxy-2-nitrophenyl)-5-methoxy-1,3,4-oxadiazole Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 1476, 5173-5177.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2016, 1953, (2), 2394-2421.