发明人唐晓军,韩伟,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115789797 A, 授权公告日 2017-01-05.
发明人孙丽萍,赵玉洁,何建平. "Method for the Synthesis of tert-Butyl 2-benzhydryl-5-oxa-2,8-diazaspiro[3.5]nonane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 116766980 B, 授权公告日 2023-04-11.
发明人郭海燕,孙丽萍,李文辉. "A Process for Preparing High-Purity tert-Butyl 2-benzhydryl-5-oxa-2,8-diazaspiro[3.5]nonane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 108276508 B, 授权公告日 2025-01-19.
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". Anal. Chim. Acta, 2023, 840, (9), 9718-9730.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2014, 699, 5356-5363.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-benzhydryl-5-oxa-2,8-diazaspiro[3.5]nonane-8-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2024, 2060, 8295-8322.