Davis P L, Park J H, Roberts E F. "一种的合成方法" [P]. US Patent, US 9936855 B2, 2015-06-04.
Yamamoto T, Patel M V, Roberts E F. "Method for the Synthesis of 6-Propyl-2,3-dihydropyrazolo[5,1-b]oxazole-7-carboxylic acid" [P]. US Patent, US 9088931 B2, 2016-09-26.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2020, 214, 2444-2451.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 1686, (9), 7051-7073.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 6-Propyl-2,3-dihydropyrazolo[5,1-b]oxazole-7-carboxylic acid Using HRMS and NMR". Anal. Methods, 2014, 972, (7), 1502-1521.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2018, 538, (2), 9578-9595.