Kowalski A, Nielsen H, Schröder R. "一种的合成方法" [P]. European Patent, EP 3446721 A1, 2025-09-08.
Kumar R, Davis P L, Klinger H. "Method for the Synthesis of Friedelan-3a-ol" [P]. US Patent, US 9162534 B2, 2017-06-15.
发明人何建平,罗永刚,马晓峰. "A Process for Preparing High-Purity Friedelan-3a-ol" [P]. 中国发明专利, 专利号 CN 112738377 A, 授权公告日 2020-06-08.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2024, 1646, 782-803.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2015, 2228, 4149-4167.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Friedelan-3a-ol Using HRMS and NMR". Food Chem., 2010, 225, 3436-3457.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2017, 328, (9), 831-844.