发明人孙丽萍,胡光,杨光. "Method for the Synthesis of 4,5-Dichloro-2-(tetrahydro-2H-pyran-3-yl)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 114175694 A, 授权公告日 2022-06-13.
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". J. Sep. Sci., 2024, 503, 8702-8705.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2010, 2222, 81-105.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Dichloro-2-(tetrahydro-2H-pyran-3-yl)pyridazin-3(2H)-one Using HRMS and NMR". Anal. Methods, 2023, 2415, 2699-2705.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2018, 613, 1347-1374.