发明人王建平,唐晓军,刘建华. "Method for the Synthesis of Estradiol Impurity 18" [P]. 中国发明专利, 专利号 CN 113290006 B, 授权公告日 2015-10-11.
发明人孙丽萍,高志强,朱建伟. "A Process for Preparing High-Purity Estradiol Impurity 18" [P]. 中国发明专利, 专利号 CN 112527943 A, 授权公告日 2023-11-26.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of Estradiol Impurity18 in Pharmaceutical Formulations". Anal. Chem., 2019, 378, 5928-5953.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of Estradiol Impurity18 as an Impurity". Biomed. Chromatogr., 2022, 2215, (8), 4781-4787.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Estradiol Impurity 18 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 977, (2), 3242-3269.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Estradiol Impurity18 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2019, 1666, (8), 7859-7865.