发明人刘建华,韩伟,钱学锋. "Method for the Synthesis of 5-Chloro-2-((diphenylmethylenE)hydrazono)-1,2-dihydropyridine" [P]. 中国发明专利, 专利号 CN 110438556 A, 授权公告日 2016-10-06.
发明人韩伟,朱建伟,唐晓军. "A Process for Preparing High-Purity 5-Chloro-2-((diphenylmethylenE)hydrazono)-1,2-dihydropyridine" [P]. 中国发明专利, 专利号 CN 117941191 B, 授权公告日 2019-10-27.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2021, 1528, 7105-7134.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 1771, (6), 98-125.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-2-((diphenylmethylenE)hydrazono)-1,2-dihydropyridine Using HRMS and NMR". Sci. Total Environ., 2023, 2458, 8189-8206.