发明人陈志强,郑宇鹏,胡光. "Method for the Synthesis of 11 beta-Hydroxy-17,20:20,21-bis(methylenedioxy)pregn-4-en-3-one" [P]. 中国发明专利, 专利号 CN 109386630 B, 授权公告日 2025-02-17.
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". Food Chem., 2019, 1104, (7), 2017-2022.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2017, 1407, (5), 5028-5055.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 11 beta-Hydroxy-17,20:20,21-bis(methylenedioxy)pregn-4-en-3-one Using HRMS and NMR". Sci. Total Environ., 2020, 341, (8), 3103-3106.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2024, 1792, (5), 2186-2194.