发明人何建平,赵玉洁,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110627718 A, 授权公告日 2021-11-06.
Lee S K, Schröder R, Klinger H. "Method for the Synthesis of 5-Methyl-2,5-diazaspiro[3.4]octan-6-one" [P]. US Patent, US 11214041 B2, 2022-05-14.
发明人李文辉,张德明,罗永刚. "A Process for Preparing High-Purity 5-Methyl-2,5-diazaspiro[3.4]octan-6-one" [P]. 中国发明专利, 专利号 CN 114176332 A, 授权公告日 2024-11-21.
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". Anal. Chim. Acta, 2011, 1989, 9450-9480.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2010, 1944, (7), 4944-4956.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methyl-2,5-diazaspiro[3.4]octan-6-one Using HRMS and NMR". Chromatographia, 2025, 2242, (9), 2073-2097.