发明人孙丽萍,何建平,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116557386 A, 授权公告日 2016-08-12.
发明人张德明,高志强,韩伟. "Method for the Synthesis of Ethyl (2Z)-2-[({3-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-1H-pyrazol-5-yl}amino)methylidene]-4,4,4-trifluoro-3-oxobutanoate" [P]. 中国发明专利, 专利号 CN 117205233 A, 授权公告日 2022-04-16.
发明人马晓峰,何建平,高志强. "A Process for Preparing High-Purity Ethyl (2Z)-2-[({3-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-1H-pyrazol-5-yl}amino)methylidene]-4,4,4-trifluoro-3-oxobutanoate" [P]. 中国发明专利, 专利号 CN 110669549 B, 授权公告日 2019-12-05.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2019, 2456, 5423-5451.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 1613, (10), 989-995.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl (2Z)-2-[({3-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-1H-pyrazol-5-yl}amino)methylidene]-4,4,4-trifluoro-3-oxobutanoate Using HRMS and NMR". Food Chem., 2023, 504, (9), 6958-6988.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2016, 1484, (5), 8539-8547.