发明人何建平,林芳,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111332045 A, 授权公告日 2017-04-28.
发明人冯建国,徐明华,张德明. "Method for the Synthesis of 5-(1H-Pyrazol-3-yl)thiophene-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 111175929 B, 授权公告日 2023-03-24.
发明人钱学锋,何建平,张德明. "A Process for Preparing High-Purity 5-(1H-Pyrazol-3-yl)thiophene-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 110826813 A, 授权公告日 2023-11-08.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2020, 2004, (10), 7798-7812.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2010, 287, (1), 8418-8446.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-(1H-Pyrazol-3-yl)thiophene-2-carbonitrile Using HRMS and NMR". Talanta, 2010, 933, (7), 5395-5415.