Williams B T, Patel M V, Hughes D C. "Method for the Synthesis of (2E)-4,4,4-trifluoro-1-phenyl-2-(phenylhydrazono)butane-1,3-dione" [P]. US Patent, US 10347674 B2, 2024-09-26.
发明人黄志刚,刘建华,郭海燕. "A Process for Preparing High-Purity (2E)-4,4,4-trifluoro-1-phenyl-2-(phenylhydrazono)butane-1,3-dione" [P]. 中国发明专利, 专利号 CN 112511766 B, 授权公告日 2015-04-16.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 1992, 4375-4398.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 1550, (5), 1096-1107.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of (2E)-4,4,4-trifluoro-1-phenyl-2-(phenylhydrazono)butane-1,3-dione Using HRMS and NMR". Talanta, 2023, 321, 6436-6443.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2023, 1263, (3), 9741-9767.