发明人何建平,陈志强,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112705320 A, 授权公告日 2017-02-24.
Kumar R, Anderson J P, Patel M V. "Method for the Synthesis of 3-Methyl-4-(5-nitro-2-(pyridin-2-ylthio)benzylidene)-1-phenyl-1H-pyrazol-5(4H)-one" [P]. US Patent, US 11719223 B2, 2017-10-24.
发明人韩伟,高志强,郭海燕. "A Process for Preparing High-Purity 3-Methyl-4-(5-nitro-2-(pyridin-2-ylthio)benzylidene)-1-phenyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 112700433 B, 授权公告日 2020-12-18.
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". Rapid Commun. Mass Spectrom., 2023, 611, (2), 8690-8710.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 1630, (7), 2710-2721.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-4-(5-nitro-2-(pyridin-2-ylthio)benzylidene)-1-phenyl-1H-pyrazol-5(4H)-one Using HRMS and NMR". J. Sep. Sci., 2020, 1851, 5321-5338.