Roberts E F, Klinger H, Fischer A B. "一种的合成方法" [P]. US Patent, US 10765535 B2, 2015-11-25.
发明人高志强,黄志刚,郑宇鹏. "Method for the Synthesis of (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3-(4-(difluoromethoxy)phenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 114541397 B, 授权公告日 2025-12-08.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2023, 789, 1035-1041.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2021, 994, (9), 8015-8019.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3-(4-(difluoromethoxy)phenyl)propanoic acid Using HRMS and NMR". Chemosphere, 2020, 1247, (1), 8033-8040.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2011, 1996, (4), 9019-9035.