Thompson G K, Williams B T, Klinger H. "一种的合成方法" [P]. US Patent, US 9399129 B2, 2024-07-05.
Lee S K, Williams B T, Schröder R. "Method for the Synthesis of tert-Butyl 3-oxo-5,7-dihydro-2H-pyrrolo[3,4-c]pyridazine-6(3H)-carboxylate" [P]. US Patent, US 10762742 B2, 2017-03-27.
发明人钱学锋,周伟,孙丽萍. "A Process for Preparing High-Purity tert-Butyl 3-oxo-5,7-dihydro-2H-pyrrolo[3,4-c]pyridazine-6(3H)-carboxylate" [P]. 中国发明专利, 专利号 CN 108727287 B, 授权公告日 2024-02-13.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 1927, (1), 1718-1745.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 180, (12), 5855-5881.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-oxo-5,7-dihydro-2H-pyrrolo[3,4-c]pyridazine-6(3H)-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 202, (10), 7983-7992.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2019, 1134, 6771-6794.