Yamamoto T, Klinger H, Schröder R. "Method for the Synthesis of 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-benzoylpiperazine-2-carboxylicacid" [P]. US Patent, US 10608560 B2, 2018-10-01.
发明人高志强,赵玉洁,朱建伟. "A Process for Preparing High-Purity 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-benzoylpiperazine-2-carboxylicacid" [P]. 中国发明专利, 专利号 CN 109934354 A, 授权公告日 2022-02-28.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2020, 677, (1), 678-684.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2010, 579, 8943-8952.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-benzoylpiperazine-2-carboxylicacid Using HRMS and NMR". J. Agric. Food Chem., 2020, 345, (10), 9818-9827.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 569, (4), 2619-2641.