Thompson G K, Yamamoto T, Park J H. "一种的合成方法" [P]. US Patent, US 11720486 B2, 2017-08-06.
发明人冯建国,钱学锋,林芳. "Method for the Synthesis of (3-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-2-yl)methanol" [P]. 中国发明专利, 专利号 CN 108349550 B, 授权公告日 2023-11-14.
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". J. Sep. Sci., 2014, 1639, (1), 7242-7245.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2014, 947, (12), 235-252.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (3-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-2-yl)methanol Using HRMS and NMR". Chromatographia, 2014, 862, (6), 7276-7279.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2020, 528, (7), 2435-2448.