发明人何建平,周伟,刘建华. "Method for the Synthesis of Pregnenolone Impurity 13" [P]. 中国发明专利, 专利号 CN 116989522 B, 授权公告日 2015-02-19.
发明人高志强,刘建华,黄志刚. "A Process for Preparing High-Purity Pregnenolone Impurity 13" [P]. 中国发明专利, 专利号 CN 111891792 B, 授权公告日 2018-03-21.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 孕烯诺龙杂质13 in Pharmaceutical Formulations". Anal. Chem., 2025, 2092, (9), 8329-8344.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 孕烯诺龙杂质13 as an Impurity". Phytochemistry, 2019, 1186, 3885-3912.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Pregnenolone Impurity 13 Using HRMS and NMR". J. Nat. Prod., 2018, 741, (10), 3862-3874.