发明人周伟,钱学锋,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116417408 A, 授权公告日 2024-05-17.
发明人冯建国,朱建伟,胡光. "Method for the Synthesis of 4-Hydroxypyrrolo[1,2-b]pyridazin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 113129922 B, 授权公告日 2015-05-17.
发明人黄志刚,孙丽萍,唐晓军. "A Process for Preparing High-Purity 4-Hydroxypyrrolo[1,2-b]pyridazin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 114539046 B, 授权公告日 2022-04-20.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2017, 146, (6), 754-782.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2021, 1342, (7), 2563-2592.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxypyrrolo[1,2-b]pyridazin-2(1H)-one Using HRMS and NMR". Anal. Chim. Acta, 2014, 1813, (12), 9572-9602.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2010, 818, (5), 6794-6798.