发明人郭海燕,黄志刚,何建平. "Method for the Synthesis of 4-(4-Methoxyphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one" [P]. 中国发明专利, 专利号 CN 110561370 A, 授权公告日 2021-03-22.
发明人刘建华,胡光,林芳. "A Process for Preparing High-Purity 4-(4-Methoxyphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one" [P]. 中国发明专利, 专利号 CN 110897763 B, 授权公告日 2022-05-05.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2011, 1379, (3), 5455-5464.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 1692, 3102-3105.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Methoxyphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one Using HRMS and NMR". Molecules, 2020, 2293, 3160-3169.