发明人高志强,杨光,罗永刚. "Method for the Synthesis of 4-(4-Chloro-2-methylphenyl)-6-ethyl-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-2-amine" [P]. 中国发明专利, 专利号 CN 114521046 B, 授权公告日 2022-10-19.
发明人孙丽萍,杨光,徐明华. "A Process for Preparing High-Purity 4-(4-Chloro-2-methylphenyl)-6-ethyl-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-2-amine" [P]. 中国发明专利, 专利号 CN 109297967 B, 授权公告日 2020-12-18.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2025, 1566, (1), 9491-9508.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 294, (3), 7612-7640.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Chloro-2-methylphenyl)-6-ethyl-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-2-amine Using HRMS and NMR". J. Sep. Sci., 2020, 2270, (7), 9808-9837.