发明人张德明,高志强,罗永刚. "Method for the Synthesis of 6-Bromo-4-chloropyrido[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 110525020 A, 授权公告日 2019-12-13.
发明人钱学锋,高志强,李文辉. "A Process for Preparing High-Purity 6-Bromo-4-chloropyrido[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 110534756 B, 授权公告日 2016-10-11.
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., 2014, 477, (7), 1669-1693.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 1512, (3), 7453-7469.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-4-chloropyrido[3,4-d]pyrimidine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 314, 152-178.