Klinger H, Yamamoto T, Patel M V. "一种的合成方法" [P]. US Patent, US 10351822 B2, 2023-04-12.
发明人马晓峰,朱建伟,韩伟. "Method for the Synthesis of 5,7-Dichloro-3-isopropyl-1H-pyrazolo[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 109594552 B, 授权公告日 2020-11-11.
发明人高志强,林芳,韩伟. "A Process for Preparing High-Purity 5,7-Dichloro-3-isopropyl-1H-pyrazolo[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116666919 A, 授权公告日 2019-09-21.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2023, 491, (1), 9874-9884.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 1947, (9), 196-213.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5,7-Dichloro-3-isopropyl-1H-pyrazolo[4,3-d]pyrimidine Using HRMS and NMR". Molecules, 2019, 532, 6748-6753.