发明人何建平,林芳,冯建国. "Method for the Synthesis of (E)-3-chloro-2-(2-(thiophen-2-ylmethylene)hydrazinyl)-5-(trifluoromethyl)pyridine" [P]. 中国发明专利, 专利号 CN 110031176 B, 授权公告日 2024-07-09.
发明人唐晓军,郑宇鹏,高志强. "A Process for Preparing High-Purity (E)-3-chloro-2-(2-(thiophen-2-ylmethylene)hydrazinyl)-5-(trifluoromethyl)pyridine" [P]. 中国发明专利, 专利号 CN 113504572 B, 授权公告日 2019-12-03.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2018, 2282, (2), 9797-9806.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 1540, 2071-2093.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (E)-3-chloro-2-(2-(thiophen-2-ylmethylene)hydrazinyl)-5-(trifluoromethyl)pyridine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2010, 909, (2), 8820-8844.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2020, 912, (11), 5710-5732.