发明人何建平,沈红梅,王建平. "Method for the Synthesis of 6,8-Dichlorocinnolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 117246328 B, 授权公告日 2016-01-06.
发明人罗永刚,马晓峰,郭海燕. "A Process for Preparing High-Purity 6,8-Dichlorocinnolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 110832438 A, 授权公告日 2018-10-08.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 1108, 8867-8887.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2017, 1093, (1), 4650-4664.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 6,8-Dichlorocinnolin-4(1H)-one Using HRMS and NMR". Anal. Chim. Acta, 2010, 1864, (2), 3730-3749.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2016, 627, (9), 8350-8363.