Yamamoto T, Lee S K, Schröder R. "Method for the Synthesis of 1-(3-Chlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxamide" [P]. US Patent, US 9912774 B2, 2021-04-04.
发明人胡光,杨光,罗永刚. "A Process for Preparing High-Purity 1-(3-Chlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111165063 B, 授权公告日 2023-10-17.
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". Chemosphere, 2010, 704, 6330-6355.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2025, 1075, (2), 9769-9782.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Chlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxamide Using HRMS and NMR". J. Nat. Prod., 2025, 851, 3619-3623.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2019, 525, 7742-7768.