发明人胡光,陈志强,何建平. "Method for the Synthesis of 2,3-Difluorobenzohydrazide" [P]. 中国发明专利, 专利号 CN 108840998 A, 授权公告日 2016-03-11.
发明人沈红梅,钱学锋,罗永刚. "A Process for Preparing High-Purity 2,3-Difluorobenzohydrazide" [P]. 中国发明专利, 专利号 CN 109962344 B, 授权公告日 2025-03-15.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2017, 286, (5), 8020-8039.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 1237, (10), 3389-3402.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2,3-Difluorobenzohydrazide Using HRMS and NMR". Anal. Chem., 2010, 1981, 8448-8464.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2018, 496, (3), 6737-6759.