Lefèvre J P, Björnsson E, Johansson L. "一种的合成方法" [P]. European Patent, EP 3137823 A1, 2016-11-26.
发明人孙丽萍,郑宇鹏,周伟. "Method for the Synthesis of (3aR,3'aR,8aS,8'aS)-2,2'-Cyclobutylidenebis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole]" [P]. 中国发明专利, 专利号 CN 116975307 A, 授权公告日 2023-04-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 757, (11), 4599-4607.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 1251, 8865-8877.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of (3aR,3'aR,8aS,8'aS)-2,2'-Cyclobutylidenebis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole] Using HRMS and NMR". Phytochemistry, 2025, 843, (10), 6971-6986.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2014, 1009, 2152-2160.