发明人郭海燕,林芳,冯建国. "Method for the Synthesis of (4-Nitrophenyl)(tetrahydropyridazin-1(2H)-yl)methanone" [P]. 中国发明专利, 专利号 CN 109240564 A, 授权公告日 2019-11-26.
发明人张德明,沈红梅,唐晓军. "A Process for Preparing High-Purity (4-Nitrophenyl)(tetrahydropyridazin-1(2H)-yl)methanone" [P]. 中国发明专利, 专利号 CN 116269363 A, 授权公告日 2023-10-28.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 1902, (3), 2565-2572.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 275, 727-752.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of (4-Nitrophenyl)(tetrahydropyridazin-1(2H)-yl)methanone Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1931, 3421-3437.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 364, (9), 3941-3963.