Schröder R, Nielsen H, Johansson L. "Method for the Synthesis of N',2-bis(4-ethoxyphenyl)hydrazine-1-carbohydrazide" [P]. European Patent, EP 3271567 A1, 2021-08-08.
发明人孙丽萍,林芳,陈志强. "A Process for Preparing High-Purity N',2-bis(4-ethoxyphenyl)hydrazine-1-carbohydrazide" [P]. 中国发明专利, 专利号 CN 117548156 B, 授权公告日 2022-09-21.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 1961, (2), 4109-4123.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2016, 2058, 8088-8105.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of N',2-bis(4-ethoxyphenyl)hydrazine-1-carbohydrazide Using HRMS and NMR". Anal. Chem., 2016, 1099, (3), 4834-4856.