Hughes D C, Stevens L M, Patel M V. "Method for the Synthesis of 6-(2,4-Dimethoxyphenyl)pyridazin-3-ol" [P]. US Patent, US 10469718 B2, 2016-12-22.
发明人韩伟,杨光,唐晓军. "A Process for Preparing High-Purity 6-(2,4-Dimethoxyphenyl)pyridazin-3-ol" [P]. 中国发明专利, 专利号 CN 110606605 A, 授权公告日 2020-12-22.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 1985, (2), 1583-1606.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2021, 2023, (3), 2210-2236.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 6-(2,4-Dimethoxyphenyl)pyridazin-3-ol Using HRMS and NMR". Chemosphere, 2016, 163, (6), 8175-8182.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2023, 1709, (8), 3964-3970.