发明人郭海燕,陈志强,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111318889 A, 授权公告日 2025-02-24.
发明人孙丽萍,郑宇鹏,周伟. "Method for the Synthesis of Ethyl 2-chloro-2-(2-(4-cyanophenyl)hydrazono)acetate" [P]. 中国发明专利, 专利号 CN 117522398 B, 授权公告日 2022-10-22.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 184, (7), 8936-8943.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 1618, (8), 5136-5158.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-chloro-2-(2-(4-cyanophenyl)hydrazono)acetate Using HRMS and NMR". Talanta, 2010, 215, (7), 621-650.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2013, 1422, 3962-3979.