发明人罗永刚,林芳,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109644194 A, 授权公告日 2015-11-26.
发明人周伟,冯建国,郭海燕. "Method for the Synthesis of 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,6-dimethoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 108801155 A, 授权公告日 2021-03-27.
发明人张德明,杨光,胡光. "A Process for Preparing High-Purity 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,6-dimethoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 108256677 B, 授权公告日 2022-11-07.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 2425, (1), 8093-8123.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2023, 2415, 6081-6095.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,6-dimethoxybenzoic acid Using HRMS and NMR". Anal. Chim. Acta, 2013, 690, 7521-7544.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2014, 282, (8), 4069-4092.