Roberts E F, Williams B T, Stevens L M. "一种的合成方法" [P]. US Patent, US 11039358 B2, 2015-10-02.
Chen K W, Roberts E F, Stevens L M. "Method for the Synthesis of 6-Cyclobutyl-4,5-dihydropyrimidin-4-one" [P]. US Patent, US 10794264 B2, 2019-10-05.
Martínez F, Nowak P, Sørensen M. "A Process for Preparing High-Purity 6-Cyclobutyl-4,5-dihydropyrimidin-4-one" [P]. European Patent, EP 3535630 A1, 2015-07-26.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1874, (9), 12-33.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2023, 879, 5523-5537.