发明人胡光,罗永刚,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115210327 A, 授权公告日 2023-10-16.
发明人孙丽萍,冯建国,徐明华. "Method for the Synthesis of Ethyl 1-[5-(2,2-dicyanoeth-1-en-1-yl)pyridin-2-yl]piperidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117910531 B, 授权公告日 2024-02-14.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2012, 1679, (2), 6931-6936.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2014, 1791, (4), 2159-2178.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-[5-(2,2-dicyanoeth-1-en-1-yl)pyridin-2-yl]piperidine-4-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2013, 1129, (6), 2211-2238.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2015, 291, 9278-9307.