发明人马晓峰,林芳,沈红梅. "Method for the Synthesis of 4-Chloro-5-morpholino-2-(p-tolyl)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 114362674 A, 授权公告日 2023-05-28.
Yamamoto T, Fischer A B, Chen K W. "A Process for Preparing High-Purity 4-Chloro-5-morpholino-2-(p-tolyl)pyridazin-3(2H)-one" [P]. US Patent, US 9132474 B2, 2018-06-07.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2017, 1119, 99-129.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 386, 8819-8847.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-5-morpholino-2-(p-tolyl)pyridazin-3(2H)-one Using HRMS and NMR". Chromatographia, 2011, 1310, 6244-6247.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2023, 2206, 1539-1554.