Thompson G K, Kumar R, Mueller T. "一种的合成方法" [P]. US Patent, US 9959302 B2, 2018-08-16.
发明人郭海燕,孙丽萍,林芳. "Method for the Synthesis of (5α)-2H-Androst-2-eno[3,2-c]pyrazol-17-one" [P]. 中国发明专利, 专利号 CN 116299608 A, 授权公告日 2015-11-03.
发明人郑宇鹏,孙丽萍,黄志刚. "A Process for Preparing High-Purity (5α)-2H-Androst-2-eno[3,2-c]pyrazol-17-one" [P]. 中国发明专利, 专利号 CN 112383259 B, 授权公告日 2023-12-02.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2018, 927, 9067-9070.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 1282, 4707-4726.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of (5α)-2H-Androst-2-eno[3,2-c]pyrazol-17-one Using HRMS and NMR". Phytochemistry, 2017, 2308, (10), 1461-1470.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 714, 8720-8732.