发明人周伟,唐晓军,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116507175 A, 授权公告日 2016-01-20.
发明人陈志强,王建平,罗永刚. "Method for the Synthesis of 2-Hydroxymethylene Ethisterone" [P]. 中国发明专利, 专利号 CN 116122240 A, 授权公告日 2016-09-05.
发明人唐晓军,胡光,林芳. "A Process for Preparing High-Purity 2-Hydroxymethylene Ethisterone" [P]. 中国发明专利, 专利号 CN 114272431 B, 授权公告日 2019-06-05.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 1369, (11), 1400-1407.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2014, 1345, 6242-6246.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Hydroxymethylene Ethisterone Using HRMS and NMR". Anal. Methods, 2014, 2016, (11), 2259-2271.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2020, 191, 5152-5182.