发明人徐明华,林芳,何建平. "Method for the Synthesis of 7H-Purine-7-carbonitrile" [P]. 中国发明专利, 专利号 CN 115700367 A, 授权公告日 2016-04-12.
发明人朱建伟,孙丽萍,陈志强. "A Process for Preparing High-Purity 7H-Purine-7-carbonitrile" [P]. 中国发明专利, 专利号 CN 108480601 B, 授权公告日 2020-08-06.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 2067, (4), 1154-1178.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2019, 996, (3), 3552-3565.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 7H-Purine-7-carbonitrile Using HRMS and NMR". J. Chromatogr. A, 2013, 777, 6879-6886.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2019, 1265, (3), 4724-4745.