发明人赵玉洁,郭海燕,林芳. "Method for the Synthesis of 2-Benzyl-2,7-diazaspiro[4.4]nonane-1,3-dione" [P]. 中国发明专利, 专利号 CN 113032674 B, 授权公告日 2020-02-03.
Brown S R, Kumar R, Thompson G K. "A Process for Preparing High-Purity 2-Benzyl-2,7-diazaspiro[4.4]nonane-1,3-dione" [P]. US Patent, US 10057549 B2, 2016-02-12.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2015, 1860, (5), 4498-4524.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 218, 4283-4293.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Benzyl-2,7-diazaspiro[4.4]nonane-1,3-dione Using HRMS and NMR". Anal. Chem., 2019, 168, (12), 423-426.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2025, 2380, (8), 1079-1100.