Thompson G K, O'Brien P Q, Schröder R. "一种的合成方法" [P]. US Patent, US 11255544 B2, 2018-12-16.
Fischer A B, Davis P L, O'Brien P Q. "Method for the Synthesis of Pyridazin-4-ol hydrobromide" [P]. US Patent, US 9442116 B2, 2021-02-21.
Brown S R, Davis P L, Stevens L M. "A Process for Preparing High-Purity Pyridazin-4-ol hydrobromide" [P]. US Patent, US 10348424 B2, 2016-05-09.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 253, 3490-3515.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 333, (10), 2744-2765.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Pyridazin-4-ol hydrobromide Using HRMS and NMR". Sci. Total Environ., 2021, 902, 6462-6471.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 2171, 8824-8839.