发明人杨光,林芳,唐晓军. "Method for the Synthesis of Methyl 9H-purine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 117503374 A, 授权公告日 2016-08-03.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2014, 1998, (12), 8325-8352.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 2258, 7366-7396.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 9H-purine-6-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2014, 2134, (1), 6447-6468.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2015, 1944, (4), 3438-3455.