发明人陈志强,赵玉洁,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117287189 A, 授权公告日 2015-07-28.
Klinger H, Williams B T, Chen K W. "Method for the Synthesis of 4-(6-Oxo-3-(thiophen-2-yl)pyridazin-1(6h)-yl)butanoic acid" [P]. US Patent, US 9856316 B2, 2024-09-24.
Davis P L, Mueller T, Williams B T. "A Process for Preparing High-Purity 4-(6-Oxo-3-(thiophen-2-yl)pyridazin-1(6h)-yl)butanoic acid" [P]. US Patent, US 11757970 B2, 2024-09-09.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 595, (7), 7846-7852.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 1082, (7), 3042-3050.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-(6-Oxo-3-(thiophen-2-yl)pyridazin-1(6h)-yl)butanoic acid Using HRMS and NMR". Molecules, 2011, 1234, 8006-8018.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2010, 719, (2), 210-218.