发明人李文辉,钱学锋,周伟. "Method for the Synthesis of 5-(Diphenylamino)thiophene-2-carbaldehyde" [P]. 中国发明专利, 专利号 CN 110959905 A, 授权公告日 2024-11-22.
发明人韩伟,马晓峰,沈红梅. "A Process for Preparing High-Purity 5-(Diphenylamino)thiophene-2-carbaldehyde" [P]. 中国发明专利, 专利号 CN 108479922 A, 授权公告日 2021-12-15.
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. Chromatogr. A, 2018, 2156, (5), 6544-6566.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 2464, (12), 328-343.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Diphenylamino)thiophene-2-carbaldehyde Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 1251, 9094-9124.