发明人何建平,郭海燕,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117114942 A, 授权公告日 2018-11-24.
Fischer A B, Patel M V, Anderson J P. "Method for the Synthesis of 6,7-Dihydro-5H-pyrrolo[3,4-d]pyrimidine-2-carbonitrile" [P]. US Patent, US 9436469 B2, 2015-11-25.
发明人马晓峰,李文辉,朱建伟. "A Process for Preparing High-Purity 6,7-Dihydro-5H-pyrrolo[3,4-d]pyrimidine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 117157519 B, 授权公告日 2016-09-05.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 1814, (9), 5518-5540.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2018, 1600, (5), 9862-9876.