发明人徐明华,朱建伟,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115536297 A, 授权公告日 2021-09-07.
发明人王建平,黄志刚,杨光. "Method for the Synthesis of 1,4-Dimethyl 2-isocyanobutanedioate" [P]. 中国发明专利, 专利号 CN 112935464 A, 授权公告日 2024-09-01.
发明人赵玉洁,孙丽萍,唐晓军. "A Process for Preparing High-Purity 1,4-Dimethyl 2-isocyanobutanedioate" [P]. 中国发明专利, 专利号 CN 116781444 A, 授权公告日 2023-06-12.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 199, (1), 3790-3804.
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., 2018, 580, (8), 7155-7183.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1,4-Dimethyl 2-isocyanobutanedioate Using HRMS and NMR". J. Sep. Sci., 2012, 1788, 704-718.