Mueller T, Kumar R, Lee S K. "Method for the Synthesis of 5-(4-Amino-3-methoxyphenyl)-1,3,4-oxadiazol-2(3H)-one" [P]. US Patent, US 11634182 B2, 2020-02-24.
Brown S R, Hughes D C, Fischer A B. "A Process for Preparing High-Purity 5-(4-Amino-3-methoxyphenyl)-1,3,4-oxadiazol-2(3H)-one" [P]. US Patent, US 9191035 B2, 2015-05-11.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2022, 340, (3), 8382-8405.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 803, (2), 3578-3593.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-(4-Amino-3-methoxyphenyl)-1,3,4-oxadiazol-2(3H)-one Using HRMS and NMR". J. Sep. Sci., 2021, 1994, 2485-2495.