发明人孙丽萍,何建平,冯建国. "Method for the Synthesis of 2-Amino-7-(2-thienyl)[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 114124800 A, 授权公告日 2022-08-20.
发明人张德明,高志强,李文辉. "A Process for Preparing High-Purity 2-Amino-7-(2-thienyl)[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 111539093 B, 授权公告日 2020-10-21.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2017, 2377, (7), 2722-2733.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 1987, 430-458.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-7-(2-thienyl)[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one Using HRMS and NMR". Sci. Total Environ., 2011, 548, (9), 8-30.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2019, 291, (3), 1463-1483.