发明人刘建华,周伟,沈红梅. "Method for the Synthesis of Ethyl 1-(4-chlorophenyl)-6-oxo-4-(propylthio)-1,6-dihydropyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113325962 B, 授权公告日 2018-09-18.
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". Molecules, 2015, 2042, 5163-5181.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2016, 1541, (5), 3283-3308.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(4-chlorophenyl)-6-oxo-4-(propylthio)-1,6-dihydropyridazine-3-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2014, 856, (8), 8816-8839.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2020, 2200, (3), 8074-8101.