发明人王建平,冯建国,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115011037 A, 授权公告日 2015-06-28.
发明人何建平,韩伟,张德明. "Method for the Synthesis of 5-chloro-2-methyl-2H-pyrazolo[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 115515737 B, 授权公告日 2025-02-27.
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". J. Agric. Food Chem., 2017, 876, (11), 812-815.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2010, 2304, (6), 7704-7732.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-chloro-2-methyl-2H-pyrazolo[4,3-d]pyrimidine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 381, (4), 7518-7539.