Rossi M, Nielsen H, Martínez F. "一种的合成方法" [P]. European Patent, EP 3251459 A1, 2017-05-03.
发明人王建平,胡光,韩伟. "Method for the Synthesis of tert-Butyl 3-{N'-[(2Z)-pyrrolidin-2-ylidene]hydrazinecarbonyl}piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 110428546 B, 授权公告日 2016-11-16.
发明人徐明华,王建平,唐晓军. "A Process for Preparing High-Purity tert-Butyl 3-{N'-[(2Z)-pyrrolidin-2-ylidene]hydrazinecarbonyl}piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111048108 A, 授权公告日 2019-08-26.
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". Chromatographia, 2018, 2196, (2), 4740-4753.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 1282, (2), 304-319.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-{N'-[(2Z)-pyrrolidin-2-ylidene]hydrazinecarbonyl}piperidine-1-carboxylate Using HRMS and NMR". Anal. Methods, 2014, 786, (2), 9825-9845.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2015, 252, (10), 1811-1833.