Fischer A B, Schröder R, Williams B T. "一种的合成方法" [P]. US Patent, US 10925152 B2, 2015-06-20.
发明人郭海燕,杨光,韩伟. "Method for the Synthesis of 1-(4-Fluorophenyl)-6-methoxy-4-oxo-n-(oxolan-2-ylmethyl)-1,4-dihydropyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 117290752 B, 授权公告日 2024-01-07.
Björnsson E, Kowalski A, Rossi M. "A Process for Preparing High-Purity 1-(4-Fluorophenyl)-6-methoxy-4-oxo-n-(oxolan-2-ylmethyl)-1,4-dihydropyridazine-3-carboxamide" [P]. European Patent, EP 3987114 A1, 2020-04-19.
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. Sep. Sci., 2019, 1517, 2220-2245.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 1935, 9657-9663.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Fluorophenyl)-6-methoxy-4-oxo-n-(oxolan-2-ylmethyl)-1,4-dihydropyridazine-3-carboxamide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 892, (6), 5231-5251.