发明人高志强,郭海燕,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109899949 A, 授权公告日 2024-07-16.
Sørensen M, Mueller T C, Rossi M. "Method for the Synthesis of 4-Oxo-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-2-carbaldehyde" [P]. European Patent, EP 3104525 A1, 2020-09-08.
发明人韩伟,胡光,孙丽萍. "A Process for Preparing High-Purity 4-Oxo-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-2-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114668674 B, 授权公告日 2019-06-23.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2025, 419, 7987-8007.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2017, 1392, 6523-6544.