发明人罗永刚,徐明华,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113653971 A, 授权公告日 2016-02-27.
发明人杨光,唐晓军,罗永刚. "Method for the Synthesis of 5,7-Dichloro-3-cyclopropylpyrazolo[1,5-a]pyrimidine" [P]. 中国发明专利, 专利号 CN 116811510 B, 授权公告日 2020-11-11.
Fischer A B, Anderson J P, Park J H. "A Process for Preparing High-Purity 5,7-Dichloro-3-cyclopropylpyrazolo[1,5-a]pyrimidine" [P]. US Patent, US 10498475 B2, 2019-07-24.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2015, 1052, (8), 5612-5615.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 1917, (11), 4968-4995.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5,7-Dichloro-3-cyclopropylpyrazolo[1,5-a]pyrimidine Using HRMS and NMR". J. Sep. Sci., 2010, 2417, (11), 3816-3840.