发明人唐晓军,陈志强,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117099193 A, 授权公告日 2023-10-13.
发明人沈红梅,韩伟,陈志强. "Method for the Synthesis of Ethyl 2-[(hydrazinecarbonyl)formamido]-4,5-dimethylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112244367 A, 授权公告日 2017-10-22.
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". J. Chromatogr. A, 2020, 172, 7666-7691.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 436, 3725-3734.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-[(hydrazinecarbonyl)formamido]-4,5-dimethylthiophene-3-carboxylate Using HRMS and NMR". J. Sep. Sci., 2021, 1046, (1), 8991-8995.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2023, 497, 3767-3797.