发明人张德明,钱学锋,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109796230 A, 授权公告日 2017-07-23.
发明人郑宇鹏,唐晓军,周伟. "Method for the Synthesis of Methyl 3-(((2-(2,4-dichlorophenyl)hydrazinyl)methylene)amino)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110303709 B, 授权公告日 2016-11-24.
发明人马晓峰,唐晓军,高志强. "A Process for Preparing High-Purity Methyl 3-(((2-(2,4-dichlorophenyl)hydrazinyl)methylene)amino)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113885721 B, 授权公告日 2021-07-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2014, 175, (12), 1547-1561.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2010, 1234, (8), 441-450.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-(((2-(2,4-dichlorophenyl)hydrazinyl)methylene)amino)thiophene-2-carboxylate Using HRMS and NMR". Chromatographia, 2014, 1773, (1), 3399-3403.