Stevens L M, O'Brien P Q, Williams B T. "一种的合成方法" [P]. US Patent, US 11076213 B2, 2015-07-25.
发明人马晓峰,王建平,李文辉. "Method for the Synthesis of 3-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 114201083 B, 授权公告日 2023-11-08.
发明人王建平,张德明,马晓峰. "A Process for Preparing High-Purity 3-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 112797771 B, 授权公告日 2022-02-13.
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". Anal. Chim. Acta, 2023, 764, 9569-9597.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 1315, (3), 3887-3909.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoic acid Using HRMS and NMR". J. Sep. Sci., 2015, 1185, (11), 4633-4647.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2010, 1829, (7), 4900-4915.