发明人孙丽萍,张德明,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115321002 A, 授权公告日 2021-06-24.
发明人冯建国,钱学锋,杨光. "Method for the Synthesis of 5-Methylpyrazolo[1,5-a]pyrimidin-7-ol" [P]. 中国发明专利, 专利号 CN 114858935 A, 授权公告日 2018-04-06.
发明人钱学锋,郭海燕,沈红梅. "A Process for Preparing High-Purity 5-Methylpyrazolo[1,5-a]pyrimidin-7-ol" [P]. 中国发明专利, 专利号 CN 117191178 A, 授权公告日 2021-06-10.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2012, 2360, 2116-2128.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 472, 9324-9349.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methylpyrazolo[1,5-a]pyrimidin-7-ol Using HRMS and NMR". Environ. Sci. Technol., 2014, 2056, (8), 4017-4029.