发明人何建平,黄志刚,周伟. "Method for the Synthesis of 1,5-Dimethyl (2E)-3-oxo-2-{2-[2-(trifluoromethyl)phenyl]hydrazin-1-ylidene}pentanedioate" [P]. 中国发明专利, 专利号 CN 117442095 A, 授权公告日 2022-01-07.
发明人唐晓军,韩伟,刘建华. "A Process for Preparing High-Purity 1,5-Dimethyl (2E)-3-oxo-2-{2-[2-(trifluoromethyl)phenyl]hydrazin-1-ylidene}pentanedioate" [P]. 中国发明专利, 专利号 CN 109133427 B, 授权公告日 2025-06-04.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2020, 387, 4193-4211.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 2084, 299-302.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1,5-Dimethyl (2E)-3-oxo-2-{2-[2-(trifluoromethyl)phenyl]hydrazin-1-ylidene}pentanedioate Using HRMS and NMR". Anal. Methods, 2016, 323, (3), 9826-9839.