发明人罗永刚,冯建国,杨光. "Method for the Synthesis of N-(2-(6-(Methylthio)-4-(propylamino)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)cyclopentanecarboxamide" [P]. 中国发明专利, 专利号 CN 111204244 B, 授权公告日 2020-08-25.
发明人马晓峰,朱建伟,黄志刚. "A Process for Preparing High-Purity N-(2-(6-(Methylthio)-4-(propylamino)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)cyclopentanecarboxamide" [P]. 中国发明专利, 专利号 CN 114014359 B, 授权公告日 2018-01-24.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2011, 902, 2621-2624.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 500, 677-695.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-(6-(Methylthio)-4-(propylamino)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)cyclopentanecarboxamide Using HRMS and NMR". Anal. Chem., 2012, 1423, 233-237.