发明人罗永刚,孙丽萍,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114520978 A, 授权公告日 2018-07-02.
发明人马晓峰,罗永刚,唐晓军. "Method for the Synthesis of 1029784-42-6
3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-ol
MFCD14281654" [P]. 中国发明专利, 专利号 CN 114796145 B, 授权公告日 2019-05-24.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2013, 2457, (7), 6236-6246.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 608, 5282-5291.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1029784-42-6
3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-ol
MFCD14281654 Using HRMS and NMR". Anal. Chim. Acta, 2011, 1552, 6086-6100.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 1191, (5), 778-803.