发明人冯建国,郭海燕,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113443328 A, 授权公告日 2015-10-13.
O'Brien P Q, Johnson M A, Anderson J P. "Method for the Synthesis of 2-Amino-3H,4H,7H-pyrrolo[2,3-d]pyrimidine-4-thione" [P]. US Patent, US 11317832 B2, 2024-04-27.
发明人冯建国,罗永刚,韩伟. "A Process for Preparing High-Purity 2-Amino-3H,4H,7H-pyrrolo[2,3-d]pyrimidine-4-thione" [P]. 中国发明专利, 专利号 CN 117618323 B, 授权公告日 2018-10-14.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 2220, (6), 8734-8750.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2013, 791, 3022-3049.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-3H,4H,7H-pyrrolo[2,3-d]pyrimidine-4-thione Using HRMS and NMR". Anal. Chim. Acta, 2011, 315, 3225-3253.