Nowak P, Schröder R, Martínez F. "一种的合成方法" [P]. European Patent, EP 3680776 A1, 2015-08-04.
发明人郑宇鹏,黄志刚,赵玉洁. "Method for the Synthesis of Ethyl 6-chloro-3-hydrazinylpyridazine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 108776009 B, 授权公告日 2017-08-14.
发明人朱建伟,杨光,周伟. "A Process for Preparing High-Purity Ethyl 6-chloro-3-hydrazinylpyridazine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 114160834 B, 授权公告日 2020-10-18.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2012, 623, (10), 6514-6534.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 137, 1949-1956.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-chloro-3-hydrazinylpyridazine-4-carboxylate Using HRMS and NMR". Food Chem., 2022, 448, 1382-1386.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 1509, (2), 1658-1672.