发明人罗永刚,高志强,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115203476 A, 授权公告日 2024-11-07.
发明人徐明华,黄志刚,林芳. "Method for the Synthesis of 4-Ethylphenylhydrazine Hydrochloride" [P]. 中国发明专利, 专利号 CN 111495558 A, 授权公告日 2025-02-12.
发明人罗永刚,韩伟,胡光. "A Process for Preparing High-Purity 4-Ethylphenylhydrazine Hydrochloride" [P]. 中国发明专利, 专利号 CN 108717183 B, 授权公告日 2025-05-09.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2017, 1051, 1886-1911.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 505, 8051-8072.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethylphenylhydrazine Hydrochloride Using HRMS and NMR". Biomed. Chromatogr., 2011, 1957, 2450-2460.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 462, 848-861.