发明人马晓峰,唐晓军,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110038148 A, 授权公告日 2020-05-25.
Lefèvre J P, Jørgensen K, Nielsen H. "Method for the Synthesis of N'-[(1E)-[2,5-Dimethyl-1-(pyrazin-2-yl)-1H-pyrrol-3-yl]methylidene]thiophene-2-carbohydrazide" [P]. European Patent, EP 3932012 A1, 2020-03-01.
发明人周伟,林芳,杨光. "A Process for Preparing High-Purity N'-[(1E)-[2,5-Dimethyl-1-(pyrazin-2-yl)-1H-pyrrol-3-yl]methylidene]thiophene-2-carbohydrazide" [P]. 中国发明专利, 专利号 CN 114069283 A, 授权公告日 2022-04-26.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 1802, (12), 8291-8311.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 1982, 2906-2928.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of N'-[(1E)-[2,5-Dimethyl-1-(pyrazin-2-yl)-1H-pyrrol-3-yl]methylidene]thiophene-2-carbohydrazide Using HRMS and NMR". Chromatographia, 2014, 534, 8973-8985.